Applicable models BMW 3 Series F30, BMW 4 Series (G22/G23/G26), i3 (G28), i4 (G26); 20132022. Please measure your car back seat size and carefully compare with the detailed size drawing before . Material and build quality Made of quality washable soft PVC flocking material for durability and comfort. Easy to clean: wipe to remove dirt quickly. The surface feels soft and plush, turning the back seat into a comfortable and luxurious resting area. Designed to minimize breakage and air leaks for reliable use. Comfort and safety Head collision and fallproof design to help protect the head and prevent a child from falling while driving. Ergonomically supports the spine to increase overall comfort during use. Inflation, deflation and storage Six independent air chambers allow quick inflation and deflation. Inflate or deflate in minutes, then fold into a compact storage bag for easy transport and spacesaving storage. Practical use scenarios Long road trips: convert the back seat into a flat, comfortable resting area for adults on extended drives. Family travel with kids: provide a safe, cushioned sleeping space to reduce travel fatigue and improve comfort for children. Car camping or pet trips: offers a roomy, stable surface for pets or supplementary sleeping space when parked or during trips. Notes Check the detailed size drawing and confirm compatibility with your vehicle's back seat before .