4 layers of Organic cotton. 2 in a pack.
**these could also be used as boosters for napies**
Extra inserts may be used to replace wet inserts inside Smart Bottoms' Lil' Trainers. If your child only has a small accident remove the wet insert and replace with a dry one. Two inserts come in a package. Inserts snap in to Smart Bottoms' Lil' Trainers.