* These silicone ear plugs are held with a bright orange nylon string.* Comes in a clear, plastic protective carrying case with beaded key chain.* Includes a plastic weight to hold down the string on the back of your neck.* CE EN352-2, ANSI, AS/NZS 1270 Certified. NRR:23dB;SNR:28dB* Swag Book does not include product.