Features: Made of thickened material, less prone to punctures or tears. Cord design, when you're ready to change, simply pull the cords. Keeps the litter box clean as the litter box is not in direct contact with the litter. Can save your cleaning time, perfect for cat lovers' busy home. Features: Material: plastic Type: 1# (6*filter bags + 1*non-filter bag), 2#(7*non-filter bags)(optional) Size: S (790 * 457 mm / 31.1 * 17.99 inches), L (940 * 457 mm / 37.01 * 17.99 inches) Package size: 370 * 275 * 10mm / 14.57 * 10.83 * 0.39in Package weight: 212g / 7.48 ounces (S) 243g / 8.57 ounces (L) Note: 1.Due to the Due to different display screen and light effect, the actual color of the item may be slightly different from the color shown on the pictures. 2. Please allow a little measuring deviation due to manual measurement. Package List: 7 * Cat Litter Filter Bags