Winrase&reg; 6 Inch Hole Diameter Deck Hatch with Cat Bag for Kayak Boat Fishing Rigging or Kayaking(Contain Red Pocket) Inner diameter:6 inch. length of the bag: approx 12 inch. Red bags can be separated from the hatch. Made of special plastic,To ensure that non-toxic harmless, anti-aging. Package include:6 Inch Deck Hatch with Bag +8pcs Screws+1pc Portable Hook