Magic Safety Shell: Magic Door Is A Pet Door, Providing A Safety Shell For Playing And Rest; magic Pet Gate Is Woven With Tough, Partially See-through Fiber Glass Fabric, Which Can Withstand Injuries Caused By Pets, And Is Designed To Withstand Pet Claws; easy To Assemble And Can Be Used Immediately. It Is Very Suitable To Be Placed Anywhere In The Home, From Doorways, Walls, Stairs, Bedrooms, Kitchens, Dining Rooms And Even Outdoors. Even If Someone Needs To Pass, It Can Be Easily Retracted. Lightweight And Portable. it Can Be Installed Without Tools. 4 Hooks Are Included For Installation. This Kit Contains Sticky Hooks For Easy Installation And Installation Guide. No Tools Are Required To Install. note: The Product Is Not Adjustable, Please Check The Size Of Your Corridor Or Door Frame.made Of Nylon Mesh, Tear-resistant, Durable