Features: Porous Litter: When using just pour in about 5CM thickness of litter to cover the bottom. After use you only need to mention the 76 filter holes to filter out the clean sand and carry away the excrement. Automatic Closure Design: The bag automatically closes just mention it and it is more convenient to collect. Easy to carry away will not easily break causing embarrassing situations. Large Hole Design: 1.1CM large hole large holes do not clog when lifting up the cat litter will not be blocked by the hole and lead to leakage down. Detail Design: Hidden pulling belt design practical and beautiful will not hook the pet's feet causing the litter box to run around. Cat litter is replaced at least once a week according to the scientific design of the replacement frequency. Customer Service: If you confront any problems about our products please feel free to contact us we are ready to help. We will solve your problems as soon as possible. Specification: Material: PE Size Length Width Weight S 79cm 45.7cm 212g L 94cm 45.7cm 243g Notes: 1. Due to different monitors and lighting effects the actual color may be slightly different from the image. 2. Due to manual measurement please allow 1-3cm deviation. includes: 1 Bag ofCat Litter Box Liners "