It is used with Dometic SL series, Emerson EQK 1100 & 1350 models. It features parachute style draw cord mounting & weatherproof. It measures 23 inch width x 14-1/2 inch depth x 43 inch length. Heavy-duty jersey-backed vinyl protects against airborne contaminates & UV. It helps to reduce draft on cold days & has non-tearable seams.