Lightly plump padding is stuffed inside the sheet. It is very gentle for babies with extra cushion. It also has good cushioning, so it can be used as a nap mat. It can also be used as a diaper replacement sheet when you are on the go. Suitable for strollers, child seats, baby chairs, baby dining chairs, etc. The left and right heads are filled with cotton so they are gentle and moderately cushioned to securely guard your childs head from both sides. Can be used for strollers besides child seats. If it gets dirty, you can wash it at home. Washing instructions: Wash in gentle cycle or gentle cycle. Recommended to dry in the shade.