The hatch covers are manufactured with Sunbrella 100% solution dyed acrylic Surround drawstring and Sure - lock toggle. Color -Navy Blue Breathable Sunbrella marine canvas reduces condensation build-up and provides excellent UV protection. Size 23.6" diameter DESCRIPTION Oceansouth‘s unique design allows the Hatch Cover to stay in place when the hatch is opened and remain firmly secured around the hatch when closed. The hatch covers are manufactured with Sunbrella 100% solution dyed acrylic 9.3 oz to ensure excellent protection and to extend the life of your hatch. FEATURES Surround drawstring. Sure - lock toggle. Breathable Sunbrella marine canvas reduces condensation build-up and provides excellent UV protection. Available for 4 hatch styles, multiple sizes. Color -Navy Blue.