i play. Baby Girls' Ultimate Swim Diaper 2 Pack Tie Rashguard Set 82% Nylon, 18% Elastane Imported Machine Wash Bottom is 82% Nylon, 18% Elastane outer layer and 100% Polyester inner layer. Top is made from 82% Nylon and 18% Elastane Built-in ultimate swim diaper, no other diaper necessary Up 50+ Short sleeve rash guard, curved hemline and heat transfer design Nylon/lira