Function: 1. Made of high quality acrylic material, good transparency effect, durable and long service life. 2. Let your dog see external sources of sounds, satisfy curiosity, reduce anxiety, mania, barking and anxiety. 3. Easy to install and use, convenient to operate. 4. In addition to pets and fencing, it can be used in children's playrooms, doghouse, treehouse and even vehicles. 5. You can use it in interior partitions, kindergartens, roof domes, decorations etc. Specification: Item Type: Pets Fence Cover Material: acrylic Color: as shown in the photos Suitable for: cats, dogs Size: Diameter about 31.6cm or 12.4in Weight: Approx.728g or 25.7oz Application: Besides pets and fencing, it can be used in children's playrooms, kennels, tree houses and even vehicles, it can be used for interior partitions, common rooms, roof domes, decoration etc. Package List: 1 x Round cover 1 x Round cover frame 4x Gasket 4x Screw 4x Screw 4 x Nut