Depets Medium Cat Flap Door with 4 Way Lock (Outer Size 7.5″ x 7.8″), Magnetic Pet Door Kit White, Weather-Resistant Cat Door for Cats & Doggy
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1.) Medium Size: Outer Size: 7.5" x 7.8" x 2" ( W x H X D); Inner size: 5.9" x 6.3" ( W x H) ; Cut-Out Size: 6.3" x 6.7" (W x H); Fit Cats up to 15 lbs (with a waistline less than 15"),Suitable for any wall or door that is up to 50mm thick.
2.) Perfect Cat Door: A great solution to give your cat access to any interior room, while giving you complete control. Perfect for accessing to the bedroom or the litter box when kept behind closed doors to keep the dog and kids out.