LEASH ACCESSORIES KIT INCLUDES: 1 18" leash that attaches to your favorite sunglasses so you can wear them around your neck and not worry about losing them. TWO SIZES: Leash kit is available in small (11.4mm H & 16.8mm W) to fit smaller stems and large ( 17.1mm H & 23.7mm W) to fit larger stems. Both leashes are 18" long. UNIVERSAL LEASH fits most Oakley eyewear frames. VISIT THE OAKLEY BRAND SHOP: Click on the Oakley logo above to view the entire Oakley sunglasses and accessories assortment.