Features: brand new and high quality brand-new and high-quality Convenient Pet Screen Door: Dog cats screen door is specially used for screen window or door. It allows your pets to freely enter and exit indoors or outdoors. High-Quality Material: This pet screen door is make of plastics material. The cute paw design brings more fun and decoration to your home. Easy to install: Tighten the screw with the nut to the dogs cats door frame, which is firm and not easy to fall. Follow the prompts to install. Lockable: The sliding locks at the bottom of the pet screen door can help you lock the screen door, ensuring that your pet stays home safely when unattended. Size: Outer diameter about 260mm/10.24 inch; Inner diameter about 22cm/8.66 inch. Pets screen door is suitable for cats and small dogs. Please measure the size of your pet and compare to door size before purchasing. Specifications: Material: Plastics Color: Black/White Size (About): 29x22x1cm/11.42x8.66x0.39in Outer Diameter 260mm/10.24in, Inner Diameter 22cm/8.66in Weight (About): 250g Package Includes: 1 Piece Dog Screen Door (Black/White) note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!