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The Mason Bottle DIY Kit converts regular-mouth mason jars into safe, non-toxic glass baby bottles in seconds. Each kit includes a breast-like silicone nipple, a protective silicone sleeve, and a plastic storage cap. Kits are dishwasher safe, BPA-free and non-toxic, and available in 4 oz and 8 oz sizes.
Key Features
- Converts regular-mouth mason jars into glass baby bottles in seconds
- Breast-like silicone nipple to support easy latch and transitions
- Protective silicone sleeve cushions jar and aids small hands grip
- Plastic storage cap keeps milk fresh between feedings
- Dishwasher safe with no tiny parts to lose or complicated cleaning
- BPA-free and non-toxic materials
- Available in 4 oz and 8 oz kit sizes
- Loved by 150+ parents and rated 4.96 stars
Details
- Brand: Mason Bottle
- Product: Mason Bottle DIY Kit
- Compatibility: Regular-mouth mason jars
- Includes / Contents: Breast-like silicone nipple, protective silicone sleeve, plastic storage cap
- Nipple: Breast-like silicone nipple, supports easy latch and breastfeeding transitions
- Sleeve: Protective silicone sleeve, cushions the jar and gives tiny hands a secure grip
- Cap: Plastic storage cap, keeps milk fresh between feedings
- Care: Dishwasher safe, no tiny parts to lose, no complicated cleaning
- Safety: BPA-free & non-toxic
- Sizes / Variants: Available in 4 oz and 8 oz kits
- Customer feedback: Loved by 150+ parents, rated 4.96 stars
How to Use and Care
- Turn a regular-mouth mason jar into a bottle using kit parts
- Dishwasher safe for easy cleaning
Who It Is For
Parents who want to convert regular-mouth mason jars into non-toxic glass baby bottles and support breastfeeding transitions. Also suitable for gift buyers.
Frequently Asked Questions
What does the Mason Bottle DIY Kit include?
Each kit includes a breast-like silicone nipple, a protective silicone sleeve, and a plastic storage cap.
Will this fit my mason jars?
The kit is made to turn regular-mouth mason jars into baby bottles.
Is the kit dishwasher safe?
Yes. The kit is dishwasher safe with no tiny parts to lose and no complicated cleaning.
Are the materials safe for babies?
Yes. The kit is BPA-free and non-toxic.
What sizes are available?
The Mason Bottle DIY Kit is available in 4 oz and 8 oz kits.
All orders are processed and shipped within a maximum of 2 to 5 business days. Please note that this is an estimated timeline and does not constitute a guarantee, as national holidays and other external factors may impact final delivery and shipping times.
🚚 Free Shipping and Discount Clarification
For qualifying orders of $100 or more, the maximum available discount applied to your order is $30.
Use glass you already own for feeding, so you avoid extra single-use plastics. The glass jar plus our adapter parts are easy to rinse and keep clear of stains and odors, giving you simple, long-lasting peace of mind.
The nipple is shaped to encourage a natural latch, helping with breast to bottle transitions. A built-in ventilation approach helps milk flow smoothly, reducing air bubbles and making feeds calmer for many babies.
The DIY kit gives you the parts needed to convert regular mouth mason jars into bottles, so you can reuse jars you already have. That means less clutter, fewer purchases, and fewer bottles in the drawer.
Picking a bottle system is about fit, cleaning, and how it supports feeding goals.
- Jar Compatibility: Look for regular mouth mason jars to ensure the adapter pieces fit. If you already have jars, you can often reuse them instead of buying new bottles.
- Nipple Shape and Flow: Choose a slower flow when starting to avoid fast, frustrated feeds. Move up a flow only when baby shows they can handle faster milk without choking or gulping.
- Cleaning and Care: Pick a system with simple parts that disassemble fully, so you can scrub with a bottle brush or run through your preferred sterilizing method.
- Breastfeeding Support: If you are combining breast and bottle, choose a nipple shaped to encourage a natural latch, and offer bottles at times when baby is calm and receptive.
- Budget and Storage: Reusing mason jars can lower cost and reduce clutter. Consider how you will store assembled bottles and any extra nipples or adapters you keep on hand.
Do mason jars come with the kit?
No, jars are not included. The kit contains the adapter parts and nipples you need to convert regular mouth mason jars you already own into bottles.
Which nipple flow should I use first?
Start with a slow flow and watch your baby for signs they need a faster flow, such as finishing feeds quickly or showing frustration during feeding. Move up one flow at a time as needed.
Is this system safe and non-toxic?
Yes, the idea is to use glass jars and a simple adapter system, avoiding many plastics. The kit is described as non-toxic and supports a glass-based feeding option.
How do I clean and sterilize the parts?
Disassemble the nipple and adapter, wash with warm soapy water using a bottle brush, rinse well, and air dry. You can also use your preferred steam sterilizer or boiling method if you follow that device's guidance.
Can I use breastmilk storage jars with this kit?
Yes, any regular mouth mason jar that fits the adapter can be used, including jars you already use for breastmilk storage.
What are your shipping and return policies?
We ship from a US warehouse, offer free US shipping on orders over $100, and accept returns within 30 days. If you need help, our human customer support team can assist with tracking and returns.
G 5.0 on Google · 9 reviews · Verified buyer reviews from our store
"We got floaties for our toddler and they are great! She loves swimming and these are so nice to have. Company is owned by a husband and wife and they are kind and…"
"I purchased a bat costume for my daughter with Moogco and we absolutely loved it! We used it for our daughters first Santa photos. They are a small business worth…"
"Ordered from here and they sent my items fast! Great quality!"
"High quality toys. Customer service is helpful and responsive. Will buy from this store again!"
"All of my dealings with them have been great!"
"Wonderful company to work with! Great product"
"great prices and fast shipping!"
"Wonderful products"
"I was lucky to find this pad for my grandson’s bassinet. I like how it is all natural snd organic. Just make sure to buy it a little bigger because it shrinks after washing. Also give ample time…"
"These helped at first but it seemed like the edges dug into my skin making it irritated (might have needed the larger ones). Once my milk came in more, milk would spill everywhere. I found that milk…"
"Perfect. Great price and my little one very opposed to training has only had accidents in the last week. My daughter is 2yrs old, 27 lbs and the Medium is perfect. She has room in them but the arent…"
"Initially, I was skeptical of using it, but when my doc referred it to me for my cracked nipple, it worked like a charm. I did not want to put any balm or lotion over my nipple as I did not wanted…"
"Amazing tool for breastfeeding! These protect sensitive, chapped or cracked nipples like little shields. No more sticking to clothing/bras and wincing when anything bumps into my chest. I've been…"
"I cant belive they heal hours within you put them on. Totally a must while breastfeeding. Such a good quality"
"I used these for the first four weeks after baby came. It was during that phase where baby was so small he didn’t have a great latch and so I was getting sore nipples. This was great for protecting…"
"Only paci my breast feed three week old has accepted so far🙌🏼"
"Worked great and would definitely use again. The only thing is sizing can be tricky. I would’ve gotten a size bigger and I’d consider my size to be on the smaller side. If you’re not sure, just size…"
"I wore these for the first two months and they truly saved my breastfeeding journey - worked exactly how I expected. They gave instant relief. I basically wore them day and night for the first 6…"
"Love these , I bought due to damage from pumping . One week with creams and balms didn’t do much but two days with these and I’m almost healed !"
"LIFE. SAVER. Bought this the first week I started nursing my son and had the WORST cracked nipples. These solved the issues OVERNIGHT!"
"I was lucky to find this pad for my grandson’s bassinet. I like how it is all natural snd organic. Just make sure to buy it a little bigger because it shrinks after washing. Also give ample time…"
"These helped at first but it seemed like the edges dug into my skin making it irritated (might have needed the larger ones). Once my milk came in more, milk would spill everywhere. I found that milk…"
"Perfect. Great price and my little one very opposed to training has only had accidents in the last week. My daughter is 2yrs old, 27 lbs and the Medium is perfect. She has room in them but the arent…"
"Initially, I was skeptical of using it, but when my doc referred it to me for my cracked nipple, it worked like a charm. I did not want to put any balm or lotion over my nipple as I did not wanted…"
"Amazing tool for breastfeeding! These protect sensitive, chapped or cracked nipples like little shields. No more sticking to clothing/bras and wincing when anything bumps into my chest. I've been…"
"I cant belive they heal hours within you put them on. Totally a must while breastfeeding. Such a good quality"
"I used these for the first four weeks after baby came. It was during that phase where baby was so small he didn’t have a great latch and so I was getting sore nipples. This was great for protecting…"
"Only paci my breast feed three week old has accepted so far🙌🏼"
"Worked great and would definitely use again. The only thing is sizing can be tricky. I would’ve gotten a size bigger and I’d consider my size to be on the smaller side. If you’re not sure, just size…"
"I wore these for the first two months and they truly saved my breastfeeding journey - worked exactly how I expected. They gave instant relief. I basically wore them day and night for the first 6…"
"Love these , I bought due to damage from pumping . One week with creams and balms didn’t do much but two days with these and I’m almost healed !"
"LIFE. SAVER. Bought this the first week I started nursing my son and had the WORST cracked nipples. These solved the issues OVERNIGHT!"
"We got floaties for our toddler and they are great! She loves swimming and these are so nice to have. Company is owned by a husband and wife and they are kind and…"
"I purchased a bat costume for my daughter with Moogco and we absolutely loved it! We used it for our daughters first Santa photos. They are a small business worth…"
"Ordered from here and they sent my items fast! Great quality!"
"High quality toys. Customer service is helpful and responsive. Will buy from this store again!"
"All of my dealings with them have been great!"
"Wonderful company to work with! Great product"
"great prices and fast shipping!"
"Wonderful products"
"Did the job, kept me more comfortable the first couple weeks postpartum as breastfeeding was established. Next time I would go for the design that has perforated holes for airflow."
"As a breastfeeding mom I truly couldn’t recommend these more. They literally SAVED MY LIFE in the newborn stage and then saved me again when teething started. They’re easy to use, easy to clean and…"
"This is a great item to have for breastfeeding mommas. It feels very cooling and refreshing after breastfeeding and makes wearing nursing bras very comfortable since the fabric is not rubbing on your…"
"These cups protect and help heal sore nipples so quickly. Comfortable under a bra, easy to clean, and worth the investment for breastfeeding. Stats: 5’3”, 140 lbs, 8 weeks postpartum & nursing"
"Great value for the price compared to name brand silverettes. I only really used them for maybe 2-3 weeks, so I’m glad I didn’t spend the extra money when these got the job done just as well"
"These are perfect for breastfeeding. They help keep any ointment or lanolin from getting on your clothes and smooth for immediate relief of cracks or nipple soreness in the first few weeks."
"Had a cracked nipple, added some organic ointment and put this over it, healed in 2 days! Recommend it 100%"
"These are great for nursing in the first few weeks when there’s soreness and breakdown. Would recommend!"
"These were wonderful for me postpartum while learning to breastfeed. Highly recommend. They are easy to clean & very functional."
"It saved my nipples multiple times. They’re super light. Quality is good, they do bend for no reason lol overall a good product."
"These were great in the beginning helped me so much."
"Any first time mama BUY THIS PRODUCT!!!! I cannot recommend and rave about this enough. They HELPED so so much! I wore them all the time when my nipples felt dry, cracked, and just hurt. Those first…"
"Did the job, kept me more comfortable the first couple weeks postpartum as breastfeeding was established. Next time I would go for the design that has perforated holes for airflow."
"As a breastfeeding mom I truly couldn’t recommend these more. They literally SAVED MY LIFE in the newborn stage and then saved me again when teething started. They’re easy to use, easy to clean and…"
"This is a great item to have for breastfeeding mommas. It feels very cooling and refreshing after breastfeeding and makes wearing nursing bras very comfortable since the fabric is not rubbing on your…"
"These cups protect and help heal sore nipples so quickly. Comfortable under a bra, easy to clean, and worth the investment for breastfeeding. Stats: 5’3”, 140 lbs, 8 weeks postpartum & nursing"
"Great value for the price compared to name brand silverettes. I only really used them for maybe 2-3 weeks, so I’m glad I didn’t spend the extra money when these got the job done just as well"
"These are perfect for breastfeeding. They help keep any ointment or lanolin from getting on your clothes and smooth for immediate relief of cracks or nipple soreness in the first few weeks."
"Had a cracked nipple, added some organic ointment and put this over it, healed in 2 days! Recommend it 100%"
"These are great for nursing in the first few weeks when there’s soreness and breakdown. Would recommend!"
"These were wonderful for me postpartum while learning to breastfeed. Highly recommend. They are easy to clean & very functional."
"It saved my nipples multiple times. They’re super light. Quality is good, they do bend for no reason lol overall a good product."
"These were great in the beginning helped me so much."
"Any first time mama BUY THIS PRODUCT!!!! I cannot recommend and rave about this enough. They HELPED so so much! I wore them all the time when my nipples felt dry, cracked, and just hurt. Those first…"