i play. Baby Girls' Ultimate Swim Diaper Ruffle Tanksuit 100% Polyester Machine Wash Outer layer is made from 82% Nylon and 8% Elastane and Inner layer is made of 100% Polyester Built-in ultimate swim diaper, no other diaper necessary One-piece with ruffle neckline and gathered skirt` Cross-back straps Nylon/lira with polyester lining