Paddles, Oars & Hooks. Hinged Type Boat Seat Cushions Size 13: Length 71″ x Width 17″ – Gray. Oceansouth Hinged type Boat cushions are constructed from Altas Marine grade fabrics suitable for the rigours of salt water and high exposure to the sun and UV rays. Resilient thick foam for ultimate comfort. Boat T-Top can be removed for storage. Removable when not in use. Dense 2-1/2” (65mm) thick foam. Solution dyed Altas marine fabrics 9.1 oz/yd2. Heavy duty PVC Mech Backing (allows water to drain). Marine grade (Male / female studs). Sewn with UVR 92 Bonded Polyester threads. Marine grade #5 Derlin zippers. UV & weather resistant. Colour fastness to light grade 6-7. 100% High tech Polyester. 150 mbar (1500 mm). Colour fastness to rubbing. UPF 50+ (measured value > UPF 80). Deluxe Folding Boat Seat with 13 Fixed Pedestal. Boat Seat Pedestal Fixed. Skipper Boat Seats X2 High Back Folding Seat. Boat Seat Economy Pedestal / Swivel Top. Same day dispatch for orders placed before 2pm Monday to Friday. Outboard Motor Carry Bags. Outboard Motor Transom Plates. Boat Seat Pedestal Package. Bait & Fillet Tables. Paddles, Oars and Hooks.