Features 1、The seat and back cushion is comfortable and smooth to touch, good elasticity, wear?resistant to use. Features: The seat and back cushion is comfortable and smooth to touch, good elasticity, wear-resistant to use. Equipped with a armrest to mount onto the seat tube within 35mm, it provides more safety for your child sitting on the back. Multiple screws are used to fix them onto your bike, very firm and stable. Also coming with a pair of footrest for supporting your foot. Complete set, easy to install and remove. Nice accessory for your bike. Specification: Condition: Brand New Material: Plastic + Iron Color: Shown as pictures Available Seat Tube Diameter: Approx. <35mm / 1.37in Bike Rear Seat Cushion Size: Approx. 34 x 16 x 7.5cm / 13.4 x 6.3 x 2.9in Backrest Size: Approx. 24 x 17.5 x 17cm / 9.4 x 6.9 x 6.7in Armrest Size: Approx. 26.5 x 18.5 x 9.5cm / 10.4 x 7.3 x 3.7in Pedal Size: Approx. 11.5 x 7 x 3cm / 4.5 x 2.7 x 1.2in Weight: Approx. 1871g Packing List: 1 x Bike Rear Seat Cushion 1 x Backrest 1 x Armrest 1 x Pair of Footrests Package List