Stretchy lycra bindings around the legs and tummy for a comfortable and customized fit Soft polyester knit on the outside and an interior layer of super strong and durable waterproof laminate Our cozy flannel lining is so soft against a baby's skin, yet does not prevent the child from feeling the moisture - so that your little one is encouraged to potty train faster! 3 layers of absorbent terry padding right where it counts! Thirsty enough to absorb even a major spill...