Jin&Bao 20FT Length Garage Door Threshold Floor Seal Gives You a Tidy and Clean Beautiful Garage ? An easy DIY project to keep your garage clean/ dry/ quiet all the time. Highly durable and be able to withstand being driven over by most vehicles. ? The garage door threshold seal has been designed to form a watertight seal between the garage door and the floor. ? Energy costs may be reduced as a result of heat conservation (seal prevents drafts, snow, very cold air, and wind-blown rainwater from entering the garage through the gap under the garage door). Please Notice: Due to some factors such as long- distance transportation, the threshold weather stripping may appear slightly curved. This is natural phenomenon due to the material is made of natural rubber.