Size: 30CM x 30CM x 4CM. Ideal for all breeds of cats and dogs samll (6KG / 13lbs). Durable - Sturdy pet door, the frame is made of PC material, fixed with screws, easy to install. Locking - 4-position locking to choose your cat's access: open, locked, alone (the cat can enter but cannot leave) and out of play (the cat can leave but not enter). Easy to Install - The pet door is easy to install on any surface including wood, brick, and PVC doors. Slim and sleek style to match any door design and even install in sliding glass doors and windows. Convenience - Rotating design and magnetic closure allow your cat or dog to enter and exit freely. The door brush strip eliminates the noise of the door closing and allows the cat to freely access her litter box.