1.: Made with high-quality leather and foam, this bike seat is easy to clean and built to last. The aluminum frame and durable stitching add extra durability and longevity. 2.Ergonomic Design: Bicycle seat back support, extra wide design fits your hips softly and perfectly. High elasticity and high density memory foam and gel better shock absorption effect. 3.Seat Base Dimensions:The seat base size is 11.8inch(L) and 9.9inch(W),bigger than ordinary saddle and is more comfortable to seat. 4.Easy to install and Adjustable: It's easy to install on the back frame of your bicycle or electric vehicle. The cushion comes with an adjustable backrest, allowing you to customize your comfort level. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store