Potty Scotty Patty Nighttime Training Pants - These Potty Patty / Potty Scotty Night Time Potty Training Pants have waterproof fabric on the outside and extra absorbent padding on the inside. These pants are waterproof and xtra absorbent and will contain the accidents better; however, they will still feel wet, so your child will know that he/she has wet underwear. The outer shell is a very soft waterproof fabric; it is not vinyl or plastic – it is fabric, so it feels very nice to touch; The inside is lined with a layer of a very soft and absorbent terry fabric. The middle layer is padded with fiber sponge for super absorbency. They have two sets of snaps, so they are adjustable to fit as needed.