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 525mm 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 425mm square and the fixing flange is 510mm 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: 290mm x 216mm inside dia, 402mm x 328mm outside dia.
 
Made for Mariners by Mariners
 
(Please note that we also have smaller and larger GRP boxes available on the website)