Chums Universal Fit 3mm Durable Nylon Rope Sunglasses Eyewear Retainer 100% Cotton Material: 100% nylon Length: 12.5 - 20 in Recommended Use: fly fishing, hiking & camping You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!