MIFXIN baby mattress is made of high-quality cotton, super soft, excellent air permeability for the back and neck, comfortable and breathable. It is harmless to the skin and environmentally friendly. It is very safe for babies.Newborns always bend their legs when sleeping, and they are easily awakened by sagging legs. The comfortable raised U-shaped edge design of the mattress can not only surround the baby to prevent the baby from rolling, but also support the baby's legs to create a safe sleeping environment for the baby.The baby mattress is ergonomically designed to effectively prevent flat head syndrome. It is specially designed to prevent the baby from rotating or moving his head.Package Contents: Baby Pillow*1