Bieroog 6 Inch Hole Diameter Deck Plate Kit, Deck Hatch with Cat Bag for Kayak Boat Fishing Rigging, Black (Contain Red Pocket) MATERIAL: PVC + ABS, Manufactured of high quality ABS material for very durable GOOD PERFORMANCE: The red bag is removable from hatch, the hatch deck plate kit is easy to install, easy to lock and open the cap, have a black foam gasket protect hull from damage SIZE: 8 inch outside diameter, 6 inch Inside Diameter, The bag about 12 inch foot deep and Hatch bag is not 100% waterproofImage 2. Please confirm the size before ordering. PERSONAL ADVICE: 6-inch hatch and cat bag requires 8-inch of flat space to be installed NO RISK! - 100% MONEY BACK GUARANTEE: If You Don't Like It, Just Send It Back and We Will Give You a Full Refund...No Questions Asked.