Efficient waterproof: unique waterproof design, effectively prevent urine leakage and keep the floor dry. Anti-fouling and easy to clean: special surface treatment, stains are not easy to adhere to, easy to wipe to remove. Accurate fit: precise measurement of the litter box size, to ensure that the three defense mats fit perfectly and do not shift. ECO-FRIENDLY AND SAFE: The material is safe and harmless, non-toxic and odorless, friendly to pets and family. Applicable objects:Suitable for cat-owning families, especially those who use petkit electric intelligent fully automatic cat litter box. Triple-proof function: highly efficient waterproof, dirt-proof and easy to clean, keeping the environment around the cat litter box tidy. Strong adaptability: specially designed for petkit electric smart fully automatic cat litter box, perfect fit for T3 and T4 models, enhance the use experience. material: made of technology cloth, durable and safe, taking care of your pet's health. EASY TO REMOVE DESIGN: Easy to clean and replace, keep the litter box as for a long time. Colour:White Material:cloth Package Contents: 1 x Pet Litter Pads Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is and/- 1-3cm.