Eyeglass & Sunglasses Strap mont-bell / EK EYEWEAR (USA) - Brand EK EKCESSORIES is a specialist manufacturer of strap accessories in the United States for over 30 years. - Features Uses a durable and highly durable nylon strap. Rubber slider with adjustable function for a perfect fit. Purchased at mont-bell store. I am selling it because I don't use it. Clean with no stains. Used twice, home cleaned. Thank you for viewing.