Ebike Passenger Seat With Back Support Tearresistant material and backrest: Made with reusable PU leather and density memory foam padding to provide a durable, comfortable riding surface and an ergonomic support structure. Strong buffering force for a smoother ride: The seat with backrest design delivers comfort and support, with a strong buffering effect to reduce vibration on rough roads and uneven terrain. Ergonomic design and weight capacity: The memory foam and backrest support promote proper posture and hip stability during rides. Assembled dimensions are 12.99 x 11.8 inches (L x W) and the maximum weight capacity exceeds 300 lbs. Thoughtful airflow and comfort features: The wide bike seat includes a hole design to keep air flowing, while the ergonomic backrest provides stable support and comfortable posture for longer rides. Versatile applications and compatibility: Designed as an Ebike Passenger Seat With Back Support, suitable for use on bikes and electric bikes where a backrest and passenger seating are desired. Use scenarios Urban commuting with a passenger on a potholefilled street, benefiting from back support and vibration reduction. Weekend bike trips or city sightseeing with a passenger, where extended comfort and stable posture are important. Offroad or gravel paths on an electric bike, where back support helps maintain comfort and control over uneven terrain.