9-inch round kayak hatch $ 16.10 Name: 9-inch canoe inspection hatch Model: KK-A50 Material: ABS plastic + 304 stainless steel (screw) + nylon (storage bag) + TPR (washer) Specifications: outer diameter: 28CM; inner diameter: 22.5CM Packing: PP bag Contents list: 9-inch hatch cover1, stainless steel screws14, storage bag*1