【Product Specifications】: Size/Approx. 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. Effectively catches dirt such as dust and hair. 【Covers gaps】: Mitigates unpleasant odors and insect entry from the drain of the washing machine pan. 【Securely fixed】: Fix the cover with the included Velcro fasteners. Prevents it from lifting or flying away due to vibration or wind. 【Easy-to-use slits】: Slits for a three-dimensional fit. Easy to install even with pipes.