This is a set of 6 pieces of cat litter box filters. Its size is 6.5 x 6 inches and thickness is 10mm, can be trimmed to your desired sizes, fit well for dome cat litter box and most other cat litter box with different shapes, help eliminate odors from the litter box. Features - Color: Black. - Material: Activated carbon. - Size: Approx. 16.5 x 15.2 x 1 cm. - Made of premium activated carbon, with strong adsorbing ability, can absorb and filter odors for a quiet long time, disposable supplies, do not recommend rinsing before use. - Its size is 6.5 x 6 inches and thickness is 10mm, can be trimmed to your desired sizes, fit well for dome cat litter box and most other cat litter box with different shapes, help eliminate odors from the litter box. - A good solution to solve the litter box unpleasant smells problem, do the good to remove odors, maintain fresh and clean smells, keep your pets with good health and mood, make you live a happy life with your pets. - Warm Tip: Dear buyer, due to lighting effect, monitors brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you