This is a set of 4 packs of pet sheets, each containing 10 sheets, with deodorizing and antibacterial P+ function, designed to last for one week without needing replacement. As shown in the third photo, a small hole is present in one area of the outer packaging due to a playful cat during the photoshoot. - Brand: Deo-Toilet - Deodorizing & Antibacterial: P+ - Package Contents: 10 sheets - Features: Lasts for one week without replacement We also have cat litter from the same series available. Please consider purchasing in bulk. Thank you for your consideration.