Description: 【Function】: Car rear seat mattress extension plate can fill the in the middle of the back row very well. Its clever design connects trunk mattress with the back seat, effectively expanding the mattress space and sleeping area; at the same time, it can prevent items from falling from the ; for Tesla Model Y Model 3 【Premium Material】: Car back seat extender is made of flannel and PVC board, which is light, wear resistant and delicate to the touch 【Portable Design】: Portable mattress can be simply folded when not in use, taking up very little space 【Adjustable Suspension Strap】: Folding car bed mattress is equipped with an adjustable suspension strap, which can easily adapt to the different seat heights of various vehicles, and the installation is quick and labor saving 【Wide Application】: Car camping essentials is suitable for self driving enthusiasts to create a comfortable sleeping space for your vehicle Specification: Material: Suede Product Size: Unfolded 60 cmx42 cmx22 cm/23.62 inchx16.54 inchx8.66 inch Package Includes: 1 Car Rear Seat Mattress Extension Plate Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.