Dimensions: 72 x 110 cm (28 x 43 inches). Fits all doors. Please measure your door before purchasing a dog stair door. Straps: Our pet doors come with 2cm straps to allow you to better fit your frame door. Safe Enclosure: Create a safe, enclosed environment for your puppy, pet or baby to play and rest. The stair gates for dogs allow you to have fun without any problem. You can monitor everything clearly from the nylon mesh. FOLDABLE AND PORTABLE: The simple design of the security door is lightweight and portable, and can be easily installed, removed and stored. You can take it with you and fold it when not in use. Included in the package: a woven fabric, a telescopic rod and seven adhesive hooks. If you have any questions, please feel free to contact us, we will try our best to solve the problem as soon as possible.