Kayak Seat Padding Deluxe Adjustable Safe Padded with Detachable Back Pack Practical Material: Nylon, EVA and Metal Seat Size: 30 x 38cm/11.7 x 14.8inch(L x W) Backrest Size: 51 x 44cm/19.9 x 17.2 inch (W x H) Seat Bag Size: 30 x 22 x 12cm/11.7 x 8.6 x 4.7inch Decoration: Metal Snap Hooks