Give your cat access to her litter box even with a closed door. This durable, transparent cat flap fits any interior door that is 2.5 cm - 5 cm (1” to 2”) thick. The 4-way locking system gives you ultimate control of the kind of access you want your cat to have. Set the door to open, closed, in only or out only. For indoor use only. WARNING: Small children can pass through door. Features For dogs and cats up to 5.4 kg Transparent flap with magnetic closure High-impact polypropylene frame Fits interior doors 2.5 - 5 cm thick Easy do-it-yourself installation 4-way lock: in only, out only, open and locked Door Sizing Chart Pet Size Flap Opening Frame Dimensions Cut Out Up to 5.4 kg 146 mm x 146 mm 190.5 mm x 203.2 mm 165.1 mm x 177.8 mm Four Way Cat Flap
