These Potty Scotty 2 in 1 Waterproof Potty Training Pants are ideal if you are worried about accidents making a big mess and leaking everywhere. These waterproof potty pants are 100% cotton on the inside and are padded to absorb the accident and make the toddler feel uncomfortable; however, the outer waterproof layer is 100% Vinyl, which will prevent the accident from leaking all over the place and making a mess. The vinyl is extremely soft and flexible. It almost feels like a fabric, so it is N OT crinkly or noisy in any way. -Stretchy lycra bindings around the legs and tummy for a comfortable and customized fit. -Designed to fit loosely so that it is easy for toddlers to put on and take off with ease by themselves. -Outer layer is waterpro of PUL fabric which is soft polyester knit on the outside and an interior layer of super strong and durable waterproof laminate. -Super absorbent center layer - to absorb and contain the accident. -Inner layer is 100% cotton that is so soft against a toddlers`s skin but will feel uncomfortable when wet, so it will encourage your toddler to keep his pants dry. Available in the Following Sizes: -XSmall (19-24 lbs). -Small (23-28 lbs). -Medium (29-34 lbs). -Large (34-39 lbs). -XLarge (39-44 lbs). - XXLarge (44-49 lbs)