Specifications: High grade material made, thick enough, not easy to break, durable to use. With 76 holes to filter excreta and leave clean cats sand. And the last one has no filter hole. The drawstring design is convenient for you to change and clean, and does not dirty the hands. You are recommended to change the filter bag everyday. Item Name: Cat Litter Bag Material: MLLDPE Quantity: 7Pcs/Pack Shelf Life: 4 Years Features: Drawstring, Durable, Disposable, Cleaning Supplies [Our Size S] 79cm x 45.7cm/31.10" x 17.99", Thickness: 0.0032cm/0.001" (Approx.) [Our Size M] 91.5cm x 45.7cm/36.02" x 17.99", Thickness: 0.0032cm/0.001" (Approx.) [Our Size L] 94cm x 45.7cm/37.01" x 17.99", Thickness: 0.0032cm/0.001" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Pack of Cat Litter Bags (7Pcs) High grade material made, thick enough, not easy to break, durable to use. With 76 holes to filter excreta and leave clean cats sand. And the last one has no filter hole. The drawstring design is convenient for you to change and clean, and does not dirty the hands. You are recommended to change the filter bag everyday.