TIPS: The top layer of material is hot air cotton, quilting is relatively shallow, thicker and more absorbent COMPATIBLE MODEL: The cat pee pad perfectly compatible for cat litter box system (not included), replacement for dearer brand name litter box pads. The size of our cat litter pad is 16.9" x 11.4", 30 count SUPER ABSORBENT: Cat litter pads have a 6-layer thickened design and a super absorbent SAP core to help absorb liquid better. Each pet pee pads for cats can absorb 2-3 days of urine for one cat and can hold up 14 cups of urine LEAK-PROOF: The bottom of the pet pads are made of quality PE film to prevent tearing and can withstand large amounts of liquid without breaking. The cat pee pads perfectly prevent liquid from spilling and keep the litter box dry FRESH SCENTED: The cat pad refills for litter box are designed with fast-drying technology to prevent urine spills, and the thickened SAP polymer of the kitty litter pads turns urine into a gel quickly to lock in liquid. cat pee pads for box system with lemon ingredients, fresh scent helps control unpleasant odors ECONOMICAL CHOICE: Disposable litter box pad is convenient and easy to clean, and cat litter pad refills providing a more economical solution for litter box system. Ideal for single or multi-cat households The cat pee pad perfectly compatible for cat litter box system (not included), replacement for dearer brand name litter box pads. The size of our cat litter pad is 16.9" x 11.4"