Powerful magnetic seal: Through our unparalleled stability through our ventilation mouth cover, the solid magnetic PVC framework can be firmly grasped to firmly grasp the 4x10-inch metal register.Our cover design is used firmly on any to that the ventilation port is protected without continuous adjustment. Optimized ventilation and anti-crusher: Our innovative network eye design can not only prevent small objects and creatures from entering the ventilation port, but also maintain good air circulation, keep your space fresh without affecting protection. Disabled installation, easy to clean: Just press it lightly to easily connect the magnetic cover to the ventilation port without tools.In order to maintain, just disassemble, rinse or vacuum vacuum cleaners to keep the ventilation clean and efficient. Elegant design and materials: Made of high-quality materials, smooth and black , our ventilation holes cover is and fashionable., anti-fading, seamlessly matched with home decoration. The comprehensive set covered by the whole house: Each set contains six covers, which is enough to protect multiple ventilation ports around your home.Effectively and stylishly protect your living space from damage to debris, insects and small objects. Colour:Black Material:rubber Size:4x10 inches (. 10.2 x 25.4 cm) Package Contents: 1set * floor vent covers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.