... / Piece Certificate: ISO9001, ISO14001 Material: 100% silicone SpecificationsSilicone Rubber Earphone Cover Different designs available Material:non-toxic,soft,smooth, 100%Silicon Color ... -quality Silicone Rubber Earphone Cover (Silicone Rubber Earphone Cover, Silicone Earbud Covers, Earphone Earplug Cover, custom silicone earphone cover)1. Different designs are ...