This Innovative Pontoon Door is designed with a sill to tie the door and frame together. Door features a low profile and wide-swinging hatch that opens beyond 180° to allow a standard 25-quart cooler to slide through easily. Hidden fastener means the door provides a clean, stylish look once installed. UV-resistant Saralon resin construction is impervious to harsh chemicals. Stainless steel hardware. 16" x 18".