One Size Features: Fits 8-35 lbs. Double Leg Gussets Adjustable Rise Velcro Closure Wipeable Interior Economical one-size design that truly fits from birth to potty. Wipe-clean interior for easy cleaning. Leg gussets to hold messes in! PUL exterior for softness and durability. About the Fabric: Waterproof PUL (polyurethane laminate). Made in China.