- Effectively prevents mosquitoes and insects In hot summers the cat safety net blocks flies, bees and mosquitoes from entering the room, helping you enjoy a healthier, more comfortable summer. - High quality mesh and materials Made of high quality polyester fiber, the mesh has very small holes smaller than a mosquito. Tear resistant and sturdy, it offers durable long service life. - Cat protection window mesh Keeps your cat from escaping the balcony window while they play, and helps protect curious cats and kittens from falling. - Custom size and color options Width and height 400 cm. Customize the size by clicking Customize Now. Choose from 12 zip positions and 4 colours. - Practical use scenarios 1) Install on balcony windows to let your cat enjoy outdoor viewing safely without escaping. 2) Use on living room or bedroom windows to block insects while you rest in summer. 3) Apply to patio doors to give kittens a safe outdoor experience without the risk of falls.