Cat door designed for glass doors, made entirely of quality polycarbonate (PC) with a secure closure and four switch settings for simple, reliable operation. Key benefits Gives your cat controlled freedom: a cylindrical tunnel design that attracts curious cats and provides smooth, consistent passage between rooms. Keeps litter and food odors contained: use the door to isolate a litter box or feeding area so smells do not spread into living spaces. Keeps other pets and children out: restrict access to cat food or litter areas to prevent dogs and young children from reaching them. Durable and easy to use: polycarbonate construction resists wear and the strong closure maintains a good seal; four switch positions let you choose the access level quickly. What it does and how it helps Function: Provides a petsized opening that allows your cat to move while controlling access and reducing odor transfer. Compatibility: Designed to be mounted on glass doors and suitable for interior use between rooms. Material & performance: Constructed from quality PC material for strength and longevity; secure closure and straightforward switching deliver consistent, lowmaintenance performance. Practical use scenarios Laundry room or pantry: Create a private space for a litter box or feeding station while keeping odors and food away from living rooms. Basement or garage entry: Let your cat access a lowerlevel area safely without allowing other household members or pets to enter. Room separation: Use between a hallway and living room to keep litter smells out and prevent dogs or children from accessing cat supplies. Quick features summary Mounts on glass doors Entirely polycarbonate (PC) construction Strong, secure closure Four selectable switch settings Cylindrical design favored by cats Simple, functional, and focused on solving access, odor, and safety concerns for indoor cat owners.