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The Flat Insert


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The perfect insert if your superhero requires more absorbency for either nighttime or daytime. Designed to be used in any Super Undies item, these inserts add a varying amount of additional protection and absorbency.

Size S:       For Brain Trainer Bedwetting Pants and Big Kid Trainers Sizes 1 and 2

Size L:     For Brain Trainer Bedwetting Pants and Big Kid Trainers Sizes 3, and 4

Sometimes you just need to step up the absorbency, and that's where the flat comes into play! This versatile wash-cloth style insert is made from 100% (super thirsty) microfiber absorbency. Fold it anyway you need for maximum, customizable protection :)