Super Self-Adhesive Glue This under door draft stopper has strong self-adhesive glue. It is so easy to install it; just cut it to the right size according to the length of the door, then peel off the adhesive and stick it to the door. protect your door and floor better Upgraded Integrated Brush Design The brush of the door draft stopper is thick, long, and high-quality brush, no need to insert them when you use. quite quiet during door opening and closing Durable and Flexible This door draft stopper is made of silicone material, which can bend and deform, durable and flexible This door draft stopper for bottom of door is more useful for preventing dust/noise/ small animal 2.2 inches high, has a 0.5-inch brush, will effectively prevent dust, reduce noise, and prevent small animals from entering through the door. It can provide a hot or cold air insulation function, prevent the leakage of air conditioning and heating, save energy and money