Material:clothSize:AdjustableColor:5Package:1x Playpens Sleep Positioner Belt Random delivery1.The package includes this car seat neck relief and head support for car seats which offers great support. The product dimension is 30*8cm in total.2.Offers great head support to your kids so that they can have a good sleep and drive without any worries. It covers any toddler seat fully and offers great protection.3.It is the best support provider for sleeping. Offers neck support while they are asleep and protects from any shocks on road trips and car trips.4.It is made up of handmade organic cotton. It is very durable and restricts any head movement. It is tear proof and is a great replacement to neck pillows.5.It is very easy to install and it fits any convertible or child seat with ease. It works just right out of the box just open it and attach it with the seat and that's it.