The Flat Insert
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 :)
Product Information
Product Information
Shipping & Returns
Shipping & Returns




The Flat Insert
The Flat Insert
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 :)
Original: $9.95
-70%$9.95
$2.98Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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 :)


















