Dimensions and fit - Width: 17 cm (6.69 inch), Length: 28 cm (11.02 inch) - Cushion thickness: 3.5 cm (1.38 inch) - Height: 26 cm (10.24 inch) - Only suitable for bikes with rear rack Materials - Made from high quality sponge and PU leather - Provides a comfortable touch and comfortable use Installation and compatibility - Easy to install on most common bike seat posts - Designed for both men and women Design and durability - Ergonomically designed rear seat cushion - Simple and attractive appearance - Fits closely to the buttocks for greater comfort - Suitable for long term riding - Not easy to deform What you get and how it helps - Enhanced comfort on rides with a rear rider or passenger - Reliable cushioning for longer trips on bikes with a rear rack - Durable materials chosen for daily use and repeated installations use scenarios - City commuting on a bike with a rear rack, providing extra comfort for a passenger or rider on short to mid length trips - Weekend family rides where a rear passenger benefits from added cushioning and support - Long distance or touring rides where extended seat comfort is important for rider endurance Notes - The back seat pad is designed to be installed on most common bike seat posts - Compatible with both men and women riders - Do not use on bikes without a rear rack