Features: Made of thickened material, less prone to puncturing or tearing. Drawstring design, when ready for changing, just pull drawstrings. Keeps the litter box Clean for the litter box is not in direct contact with the litter. Can save your cleanup time, perfect for the busy household of cat lovers. Specifications: Material: plastics Type: 1# (6 * filter bags + 1 * non-filter bag), 2# (7 * non-filter bags) (optional) Size: S (790 * 457mm / 31.1 * 17.99in), L (940 * 457mm / 37.01 * 17.99in) Package size: 370 * 275 * 10mm / 14.57 * 10.83 * 0.39in Package weight: 212g / 7.48ounces (S) 243g / 8.57ounces (L) Note: 1.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. 2.Please allow a little measuring deviation due to manual measurement. Package List: 7 * Cat Litter Filter Bags