Specification: -Fabric: one side is 100% cotton soft fabric , the other one is 3D mesh fabric. Filled PP cotton -Dimensions: length x width -29" x 13.5", thickness-2.3" -Net weight :380g Feature: -Durable and comfy:-100% cotton is used for the front and 3D air mesh for the back.Breathable sequential 3D-air mesh construction keeps cool air in the summer and warm air in the winter. So it can be used all year around. -Rational design :Butterfly-shaped neck cushion + inner seat integrated type helps prevent head shaking provides ideal support for babies in car seats, strollers, bouncer seats and infant swings ;spilt-leg model can effectively help to correct sitting posture, and the baby's legs are naturally placed. -Easy to remove or clean, machine washable in Gentle wash mode, the infant car seat liner will keep your pram clean and hygienic. -A wise choice for travel: The head and body support pillow for babies fits most strollers, carriers, pushchair, bouncer seats and pram, which makes it an essential accessory for your baby's comfort, whether your little one is laying down to play, rest or sleep. Packing: 1* stroller seat pad