Feature: 100% Brand new and high quality. Quantity:1 pc Please adjust the button according to the body size of baby Science proves that bright color is good to baby on environmental cognition Outer Layer is highly Water-Resistant, Breathable and Very Durable. it can be washed without any deformation and gives an ideal protection for your baby, the bed and linens from leakage. Inner Layer can wich moisture away from babies skin and keep bottom dry to make your baby feel easy and comfortable. That is what all parents are happy to see.