Description: 【Compatible】Specially designed for , bikes, and mountain vehicles, this backrest seat cushion is an ideal upgrade to enhance riding comfort and safety for both drivers and passengers 【Materials】Constructed from wear resistant PU leather, sturdy iron frame, and resilient sponge filling. This backrest offers shockproof and drop resistant performance—ideal for rugged outdoor environments 【Shock Absorption】Thick, high density sponge padding with stylish red stitching effectively absorbs bumps and vibrations during rides, providing stable and comfortable support for rear passengers 【Easy Installation】The included bracket is compatible with most mainstream models. Simple installation can be completed quickly using basic tools, making it accessible even for beginners 【Complete Set】Includes a high density foam leather backrest pad and a matching metal mounting bracket—everything you need for quick installation without the need for extra parts Specification: Material: Iron PU Leather Sponge Size Chart: 22.5cmx21cmx7cm/8.86inchx8.27inchx2.76inch Package Includes: 1 Backrest 1 Support Frame Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.