Croakies Premium Leather Cord Fashion Eyewear Retainer (24 Inches, Black) 85% Leather/ 10% Rubber/ 5% Metal Made in the USA and Imported Croakies' casual leather eyewear straps attach easily and keep your sunglasses or prescription glasses secure while on the town. Leather cords pair well with both casual and formal attire and add a touch of class to any outfit. The retainer's spec ends are adjustable and fit large frames down to small wire frames. Made of 85% full-grain leather, 10% rubber, and 5% metal; 24 inches long. Croakies has been creating stylish, durable, and functional products for life's everyday adventures for more than 40 years.