This kayak seat is padded and deluxe. It is designed to fit most kayaks and canoes and make your water sports safe and enjoyable. Features: Backrest thickness is about 2.5~3cm, and padded base thickness is about 1.9cm. (Please allow minor errors due to manual measurement, thanks.) Type 1Specifications: Material: 600D polyester + Neoprene Color: Black + Gray Padded Base Size: 37.5 * 30.5cm / 14.76 * 12.01in(L * W) Backrest Size: 51.5 * 45cm / 20.28 * 17.72in Item Weight: 1010g / 2.23oz Package Size: 47 * 52 * 7cm / 18.5 * 20.47 * 2.76in Package Weight: 1020g / 2.25oz Package List: 1 * Kayak Seat Notes: 1, Please allow 1-2cm (0.4-0.8") differences due to manual measurement, thanks. 2, The listing just includes a kayak seat only, other items(if any) are NOT included in it. Type 2 0Features: Measures 38 * 33cm (15.0 * 13.0in). Lightweight, shock absorbent and comfortable. Contoured massage points add muscle relief. Provide great, soft and comfortable support. Compatible with almost every kayak. Specifications: Material: EVA + Oxford cloth Thickness: 18mm / 0.71in Size: 38 * 33cm / 15.0 * 13.0in Package weight: 125g / 4.4oz Package List: 1 * Seat Cushion Heavy duty deluxe padded kayak seat, 600D polyester and neoprene material. Contoured padded backrest and padded base are soft and antiskid, which make you feel comfortable and safe. High backrest design brings additional comfort. The front and back straps with four marine grade stainless brass snap hooks can be used to fix the seat in place sturdily. This seat is designed to fit most kayaks and canoes and make your water sports safe and enjoyable. › See more product details