Chums Slim Retainer - Adjustable Thin Silicone Unisex Eyewear Keeper (Black)

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

Chums Switchback Safety Eyewear Retainer - Lightweight & UV Resistant Silicone Sunglasses Strap for Men & Women - Black/Smoke

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