You pet and dogs are curious, they want to know what's happening outside. Then our pet sight window can satisfy their curiosity and make it possible for them to have a good view. It is an attractive addition to your fence and can be easily installed. Features: 1. Constructed of hard acrylic, which is high transparent and strong stiff, wear-proof and durable to use. 2. It's clear, your pet dogs can have a clear and bright landscape to satisfy its curiosity about what's happening outside the fence. 3. A good addition to decorate your fence and allow your pet to have a good view. You can also know clearly what's your pet doing through it. 4. Can prevent the curious dogs from jumping over the fence and avoid injuries while escaping. 5. Easy to install into your wooden or vinyl fence with black trim ring and all necessary hardware included. Specification: Condition: 100% Brand New Item Type: Pet Sight Window Material: Acrylic Color: Transparent Size: 31.5 * 12cm / 12.40 * 4.72in Weight: Approx. 800g Package Included: 1 * Pet Sight Window 4 * Bolts