ChumsSlim Retainer - Adjustable Thin Silicone Unisex Eyewear Keeper, Aqua/Black/Marine Blue, One size

Chums Slim Retainer - Adjustable Eyewear Keeper - Thin Silicone Safety Eyewear Retainer for Women & Men

Chums Original Cotton Safety Eyewear Retaine-Unisex Keeper for Sunglasses-Adjustable Fit & Made in USA (Standard-End Size)

Chums Slip Fit Rope Glasses Retainer - Unisex Adjustable Eyewear Holder Sunglasses Strap