100% cotton material.Hello Kitty pattern,if you and you baby areHello Kitty fan,thenHello Kitty bedding is your best choice. LetHello Kitty accompany your child to spend every night. Your kids will definitely love it.100% cotton material,will not let the you and you child allergicWashing instructionsFirst time to make use of saline wash. Because salt can enhance color fastness. Second, you can use liquid detergent wash Avoid using strong acid alkaline liquid detergent. Water temperature not more than 86 degrees Fahrenheit.; not bleach; only be dry-cleaned. insolation time not too long