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PopYum 9oz insulated stainless steel kids cups come as a 2-pack in sky blue and mint green with matching straws. Vacuum insulated Triple-Wall construction helps keep liquids hot or cold for hours and resists sweating. Each cup has a twist-lock Flip-N-Lock lid, straw stopper, vents for easier drinking, and is dishwasher safe.
Key Features
- Includes two 9oz cups with matching straws, blue and green
- Vacuum insulated seal keeps liquids hot or cold for hours
- Triple-Wall 18/8 stainless steel construction
- Dishwasher safe; cup and straw dishwasher safe, lid top rack safe
- Twist-Lock Flip-N-Lock lid reduces spills and locks open
- Straw stopper-ring keeps the straw in place when pulled
- Unique vents allow air into the cup while drinking
- Stackable with or without their lids
Details
- Contents: Includes a sky blue and mint green 9oz cup with matching straws.
- Size: 9oz
- Count: 2-Pack
- Colors: Sky blue and mint green
- Materials: Premium 18/8 stainless steel
- Insulation: Vacuum insulated seal; Triple-Wall technology
- Dishwasher: Cup and straw dishwasher safe; lid top rack safe
- Lid and Straw: Twist-Lock Flip-N-Lock lid; straw stopper-ring; vents
- Safety: BPA, BPS, latex, lead, nitrosamines, PET, phthalates, PVC and TPE free
How to Use and Care
- Cup and straw are dishwasher safe
- Lid is top rack safe
Who It Is For
Suitable for babies, children and toddlers as a sippy style cup and tumbler.
Frequently Asked Questions
Are these cups dishwasher safe?
The entire cup is dishwasher safe; the cup and straw can be placed anywhere in the dishwasher and the lid is top rack safe.
What material are the cups made of?
PopYum cups are made from premium 18/8 stainless steel.
Do the lids prevent spills?
The Twist-Lock lid reduces spills since the lid will not pop off when the cup is dropped and the Flip-N-Lock closure locks open while drinking.
Can the cups be stacked?
The cups are designed to be stackable with or without their lids.
Do they keep drinks hot or cold?
A vacuum insulated seal keeps liquids hot or cold for hours.
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.


Vacuum insulated construction holds temperature for hours without sweating or leaving marks. Triple-wall design adds durability and protects little hands from hot surfaces.

Twist-lock top helps prevent the lid from popping off when dropped. The Flip-N-Lock closure stays locked open while drinking for easy use.

Cups stack neatly with or without lids to save space. A straw stopper keeps the straw in place even when kids tug on it.
Focus on size, lid type, cleaning, and materials to find a cup your child will actually use.
- Choose the Right Size: 9oz is compact and fits small hands and lunchboxes. Consider how much your child typically drinks per serving.
- Pick a Lid Style: Decide between a spout or straw based on your child’s skill and how they prefer to sip.
- Check Cleaning Ease: Look for dishwasher-safe parts and removable straws to make daily cleanup effortless.
- Prioritize Stability: Wide bases and a twist-lock lid reduce spills while kids learn to carry their own cup.
- Think About Storage: Stackable cups save cupboard space and keep counters tidy, especially when lids are removable.
Are these cups safe for my child?
Yes. PopYum uses tested 18/8 stainless steel and materials free from BPA, BPS, lead, phthalates, PVC, and TPE.
Can I put the cups in the dishwasher?
Yes. The cup and straw are dishwasher safe, and the lid is top-rack safe for convenient cleaning.
Do the lids prevent spills?
The Twist-Lock lid reduces spills by keeping the lid secure, and the Flip-N-Lock closure stays open while drinking.
What is your shipping and return policy?
We ship from a US warehouse. We offer 30-day returns, free US shipping on orders over $100, and human customer support to help with any issue.
How long will drinks stay hot or cold?
The vacuum insulated seal keeps liquids hot or cold for hours, without sweating or leaving surface marks.
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…"