1.【ONE SIDE DOOR DRAFT BLOCKER】— Under Door Draft Stopper is made from top quality styrofoam & abrasion resistant fabric.We will protect your home against the elements, taking the brunt of rain, snow, dust, and other weather-related factors. 2.【NOISE REDUCTION AND SAVE ENERGY/MONEY】— Our One Sided Adjustable Under Door Draft Blocker is effectively reduce noise, prevent dust from entering through the door, and keep the room quiet & clean. Meanwhile, bottom door draft blockers prevent the leakage of air conditioning or heating, make your room more efficient in cooling or heating. Help you reduce electric cost, save you energy and money. 3.【EASY FAST TO INSTALL】— Install our under door draft stopper,You just have to measure your doors gap, peel the adhesive layer off, stick the velcro in the door side you want,and stick on our door draft stopper. Adjustable door draft stopper has good adhesion and is easy to cut and adjust, and it will move with the door – including carpets, tile, linoleum and hardwoods and securely fits under doors up to 37 inches. You can take it down whenever you want,and it won't hurt your door. 4.【ANYWHERE TO USE】— One Sided Door Draft Stopper has a so good adhesion that won't making any annoying scratching sound on the floor or window. Practical, tough, economical draft dodger for every family. one-sieded, insulated door draft stopper is suitable for indoor and outdoor doors, garages, bathrooms, windows, etc. 5.Note: The shading effect of white is not as good as that of the other three colors. If you want better light blocking, we recommend black draft stopper.