This Period Panty Sewing Kit™️ contains the special trio of absorbent fabrics for the crotches of three (3) pairs of reusable period panties. Choose your own fabric and elastic to pair with the Black crotches, and use with the Perfect Period Panties Pattern. INCLUDED Black Waterproof Backed Organic Cotton Jersey Ultra Absorbent Quilted Bamboo Cotton Black Moisture Wicking Jersey MATERIAL SPECIFICS The wicking jersey + bamboo cotton are infused with skinsafe Silvadur™ which inhibits odor + infection-causing bacteria. The waterproof polyurethane backing on the organic cotton jersey and the polyester wicking fabric are entirely food safe + made with no toxic components. They are CPSIA certified, meeting stringent standards by the U.S. Consumer Products Safety Commission on lead, phthalates, and flammability. FREE of PFAS and PFOA. SIZES This product can accommodate three (3) gussets any size underwear.