Size: Approximately 16 x 16 cm Color: Gray Contents: 2 sheets Material: Polyester, rayon non-woven fabric (with activated carbon) [For areas of concern] Deodorizes unpleasant odors from the drain with the power of activated carbon. Catches dust with non-woven fabric. [Covers gaps] Reduces unpleasant odors and insect entry from the washing machine drain. [Securely fixed] Fixes the cover with the included Velcro. Prevents it from lifting or flying away due to vibration or wind. [Easy-to-use incision] Features an incision for a three-dimensional fit. Easy to install even with pipes. I planned to use this at home, but I never did and have been storing it. Instant purchase is welcome. Thank you for your consideration.