Door Sweep for Bottom of Door Upgraded Integrated Brush Design The brush of the door draft stopper is thick, long, and high-density brush; there is no need to insert it when you use it. No harsh sounds or blocks during door opening and closing，quite quiet during door opening and closing，use it as door soundproofing/under door noise stopper/under door gap filler/door noise blocker Super Self-Adhesive Glue This under door draft stopper for bottom of door 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 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