i play.® is the original reusable Swim Diaper manufacturer and has a patented three-layer design. The wicking liner helps prevent diaper rash, the inner absorbent layer helps protect against messes outside the pool, and the waterproof outer layer works with the snug-fitting waist and legs to provide secure protection from unsanitary and embarrassing accidents in the pool. No other diaper necessary! Trim, lightweight cloth diaper encourages swimming Easy-lock snaps Snug fit helps contain solid matter & is approved for public pools and swim schools Economical & eco-friendly—use & reuse Materials: Knitted polyester shell; Polyester lining U.S. Pat. No. 7,678,094 Care Wash before first use. Machine wash cold. Non-chlorine bleach only when needed. Tumble dry low or hang to dry. Do not iron. Do not dry clean. Warnings Never leave child unattended. Remove all packaging and fasteners before giving this item to a child. Before each use, inspect the product. Discard immediately if any signs of excessive wear appear.