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- Flex-Fit Winged Perfect fit Preflat (WPFP)
Flex-Fit Winged Perfect fit Preflat (WPFP)
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Owned by a small family MoogCo Baby is a family-owned shop. Every order supports a real family who personally stands behind what we sell — thank you for shopping small. 💚
I had a unique request from a mama for a diaper that would dry quickly and fit snugly for car rides. The result is what I like to call a flex-fit WPFP because it is kind of a cross between a fitted and WPFP resulting in a perfect fit around those skinny or chunky thighs! Why/how? Due to the unique adjustable leg elastics!
If you already own our regular WPFP, order the size you usually purchase or the next size up to allow for growth.
Sold in sets of 3!
It is simply two layers of thirsty, stretchy organic fleece serged together to make a perfect fit on your baby. <3 Available in 3 fabrics: Caramel, Twist, Butter.
Stumped on which color to pick? Choose Mystery and let me pick for you!
Sizing:
- NB 10x12 fits 4 to 12 lbs or 0-3 months
- Size 1 12x14 fits 10 to 18lbs or 0-6 months
- Size 2 14x16 fits 16 to 25 lbs or 4-18 months
- Size 3 16x18 fits 20 to 40 lbs or 8-36 months
- Size 4 18x20 fits 25+ lbs or 24+ months
You can always buy a size up and fold down the front or back to fit baby's needs.
Free 16 oz bottle of Beyond Clean and snappis when you purchase a dozen (4 sets)!
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.
For customizable orders, please enter your specific details in the 'Add a note' section of your cart. We kindly ask that you carefully review your input for any typos


Two soft, stretchy layers soak up moisture while staying thin and comfortable. The serged finish keeps edges neat wash after wash.

Unique adjustable elastics let you tighten or loosen the thighs for a customized fit on skinny or chunky legs. That snug seal reduces gaps during car rides and active play.

The slim, fast-drying construction makes these easy to pack and quick to launder between uses. Sold in sets of three, with a mystery color option if you want a surprise.
Pick a size that matches your baby's current weight and your growth plans.
- Start with weight: Use the size weight ranges provided, for example NB fits 4 to 12 pounds, Size 1 fits 10 to 18 pounds.
- If you already own one: If you own our regular WPFP, order the same size or the next size up to allow for growth.
- Think thigh fit: Choose a size that lets you tighten the leg elastics snugly without creating red marks.
- Size up for longevity: Buying one size larger gives room to fold down the front or back and extend use.
- Bundle for value: Sets of three are convenient, and buying a dozen (four sets) includes a free 16 oz bottle of Beyond Clean and snappis.
Which size should I buy for my baby?
Choose the size that matches your baby’s weight range listed for each size. If you already own our regular WPFP, order your usual size or the next size up to allow for growth.
How do the adjustable leg elastics work?
The elastics can be tightened or loosened to customize the thigh seal, giving a snug fit on both skinny and chunky legs.
Are these good for car rides and naps?
Yes. The flex-fit construction creates a close thigh seal for less gapping, and the fleece layers are thin and quick to dry for frequent changes.
How should I wash and dry these preflats?
Rinse solids, then wash with your usual cloth diaper routine. Avoid fabric softeners which reduce absorbency, and air drying or low heat helps preserve elastic life.
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. Our customer support is human and available to help.
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