This magnetic clip-on door draft stopper makes heating and cooling your home more efficient. Save energy and money by keeping cold air out and heat in. Along with blocking drafts, it also helps to block dust and noise. Draft stopper includes strong magnets inside a weather-resistant cover for metal doors and 3 detachable metal clips for hardwood and fiberglass doors. The visible side of the draft stopper is an upscale, plush polyester fleece that compliments any decor. Not using the door draft? Store it neatly on a door handle, closet hook or other out-of-the-way space with its built-in hanging loop. Clips work with a 1.5 to 2 inch thick door. Ideal for exterior doors. Measures approximately 36 inch L x 4 inch W x 2 inch h and is made from polyester, metal and magnets. Patent pending.