The binchotan works to naturally neutralize odors that come in contact with the fabric. The fabric is very soft, with a unique Japanese weave that provides a gentle but effective exfoliation. Product Details: - Dimensions: 14 x 14″ - Materials: 83% Organic Cotton, 17% Rayon, Binchotan Charcoal - Number of layers: 4 - Unique weave provides gentle exfoliation *Please avoid contact with bleach and do not put in dryer