... 3)Weight:280g 4)Density:55kg/m3 Item: memory foam pillow for children Provides optimal pressure relief, ergonomically designed to ... , slow recovery, pressure-relief, used to travel, sleeping, bedding, massage, non-allergenic, anti-bacterial, memory foam is resistant to dust ... machine washable for easy care. This kind of memory foam pillow is invented for children, with comfortable feeling and unique ...