(UPGRADED MODEL) We took the feedback from our customers and made some improvements Optional Install Method: Attach the Velcro Strip to your door, then attach the foam blocker onto your door via velcro strip to help keep it in place when opening and closing the door. Eliminated sewn on threads and stitching to prevent it from coming undone after prolonged use. Are you tired of... Running your A/C or heater nonstop to combat escaping hot or cold air? Constantly battling dust and dirt buildup on your floors? Nasty cold drafts creeping through your doors? Disruptive light intruding on your sleep? Unwanted bugs and insects invading your space? We have the solution! Introducing the Absolute Living DOORFOAMTRI series, featuring a triangular door sealing design to effectively block your room from cold drafts, noise, light, bugs, dirt, and dust. Easy to install and compatible with most doors. Installation is a breeze: Measure your door's length. Cut the leather sleeves to fit. Insert foam into sleeves and trim the foam inserts to match the length. Slide the door blocker on or attach via velcro strip method Absolute Living DOORFOAMTRIBL: Color: Black Length: 35.5" (Cut to Length) Complete with Instruction Manual Backed by a 1-Year Warranty