Frost King Weather Seal keeps the elements and critters outdoors and achieve a consistent indoor environment. It s made of durable vinyl and you can cut it to any size. The garage door weather stripping effectively seals the top and the sides of an overhead garage door preventing dirt moisture bugs and wildlife from entering. It s suitable for use all around traditional swing-open style doors. The 1.75 x 30 roll contains enough weatherstripping to seal an average size two-car garage door. The package includes installation nails.