The cover is made of high performance 3.5mm neoprene waterproof. 3/8" stitched bungee attchment to rim 83x46cm or customized size. 0.45kg Avg.weight. This cockpit cover can protects your kayak protected and clean when not in use, Keep your kayak's cockpit from dirt, dust, rain, hail, bird droppings.etc, Constructed with tear-resistant neoprene, which is durable and breathable, the kayak cockpit cover can be used for a long time.