Made; with meticulous materials, stable structure, not easy to use. laminate, excellent strength bending and impact resistance Anti-aging material Good thermal insulation and thermal insulation, made of panels very resistant and good resistance to aging Transparent appearance Transparent cat door is more suitable for glass doors Specifications: Appropriate weight: all cats and small dogs (6 kg). < br /> Material: durable, safe and non-toxic ABS plastic. Door size: 30 * 30 * 4cm (11.8 * 11.8 * 1.6in) Flap size: 18.5 * 20.5cm (7.28 * 8.06in) Package includes: 1 glass shutter, 3 short screws, 3 long screws, 3 plugs & agrave; screws. Read more Manual locking system & agrave; 4 directions (entry, exit, entry / exit, locked) to control the entry and exit of your pets. The magnet will quickly bring the door back to the door. its original position when the animal enters and exits. Fluff design for and can reduce noise perfectly and effectively block animals from debris while they play.