Plan C - 3 or 4 Cats every half a month - 10.1 lbs x 2 bags
3 or 4 Cats | Two Bags $53.99 for half a month supply of litter.
1. Thermoplastic Impact-Resistant Frame: Made of ABS,Smooth Surface and Durable,Fixed without deformation.
2. Stainless Aluminum Lining: Pass the bite & chew proof test,Stainless Structure is strong enough to handle day-to-day collision .
3. Removable Self-Locking Slide Panel: 2-Way Locking, it can easily stop any unwanted guests and bring you a safe home.
4. Dust Resistant Brush Strip: Resist outdoor dust ; Increase cushioning and weaken wind; Reduce noise and ensure that pets and owners are not disturbed.
5. Package list: long screws * 4, hexagon nuts * 4, long-side cardboard * 2, short-side cardboard * 2, covers covering screw holes * 8, installation instructions and templates * 1
6. We recommend installing this product on a wall or door of solid material with a thickness of 1.25 inches (3.15 cm) or more.
External size: 11.8''(W) x 16.5''(H),Internal size:10.4''(W) x 14.5''(H)
For Dogs & Pets Up To 100 LBS: suitable for cats lighter than 40 Lb，waist circumference less than 26"
External size: 10.6''(W) x 12.9''(H), Internal size:9.2''(W) x11''(H)
For Cats & Pets Up To 40 LBS: suitable for cats lighter than 17 Lb，waist circumference less than 23".