All of our manufacturing materials are Lloyds approved.
 
GRP seat storage box extra tall, universal 360° powder-coated black swivel and waterproof UV Resistant access hatch. The box is 675mm high (to the top of the swivel). The box top is reinforced with 12mm Marine Plywood glassed in and approx 400mm square, this prevents excessive over hang of the seat and more storage space in the box square. The base 435mm square and the fixing flange is 535mm square. The inside of the box is back gelled with gelcoat to give it a complete waterproof finish and prolonging the life of the box by preventing any water ingress and osmosis. 
Access hatch dimensions: 400mm x 328mm outside dia, 315mm x 240mm inside dia
 
Made for Mariners by Mariners
 
(Please note that we also have smaller GRP boxes available on the website)