【Multipurpose Seat Extender】 This product is not only a dog car seat extender,but also a Car trunk organizer. It can be used in the back seat or front seat area,which give enough space to your furry friend to lay down relax.It can be also used in car storage organizer to carry and store pet supplies and travel stuffs. 【Advanced Material】The dog backseat extender's external is made of premium 600D oxford material.This fabric is easy to clean,which means clean this car seat extender by simple wipe or wash.It also has a degree of water resistance,making this become a excellent material to made dog seat extender. 【Ultra-Stable Structure】The backseat extender's inner board is made of grey hollow board, which is tough and lightweight.The honeycomb structure of hollow boards shows excellent structural stability.It can resist deformation and pressure effectively,which means it can fits large dogs to rest and sleep in the car seat. Besides,this material is recyclable. 【Protect Dogs from Falling Off 】This portable dog seat extender is especially designed for prevents dog from falling off the frontseat when driving. Better than a dog hammock! Our backseat extender is fit for most cars,SUV, trunks and create enough room for dogs to stretch out or stand up. 【Multi-pocket Design】This car seat extender for dog can be used to storage and organized dog supplies,such as dog toys, dog leashes, dog blankets, dog treat. It provide a mesh pocket and a side pocket to organize daily pet supplies. Back Seat Extender