· Compatible with M1 & AS11: These litter bags are made for automatic cat litter boxes and compatible with M1 and AS11 self-cleaning litter box. With the same dimensions as the original bags (27” x 13” / 69 x 33 cm), they offer superior quality at a more affordable price. Ensure compatibility with your automatic cat litter box before purchasing· Drawstring Closure Design: The drawstring design of these waste litter bags is compatible with M1’s innovative “Pull and Wrap” system. Easily enclose waste in an odor-blocking litter bag with a single pull, making litter box maintenance quick and clean· Leak-proof: These cat litter bags are made from strong HDPE material and have a tight seal to trap odors. They are tear-resistant, scratch-proof, and waterproof, so there are no leaks. This helps keep the litter box clean and makes changing the litter easy· 40 Pack: This pack contains 40 strong, heavy-duty cat litter bags. They are unscented and effectively control odors and messes. Enjoy the convenience and cleanliness these litter bags bring for you and your cat· Customer Service: Any defective litter box bag, please message us without hesitation, and we will offer you a suitable solution in 24 hours. Please message us if you have any questions· Note: This package only includes litter bags, not a automatic cat litter box. The litter box shown in the images is for illustration purposes only to demonstrate the compatibility with the bags. Please confirm the product details before placing your order