Glasses Strap Eyewear Retainer, 5 Pieces Sunglass Straps with Silicone Anti-Slip Rings Eyeglass Holder Strap Glass Cord Lanyard Unisex Safety Glasses String for Decoration and Sports (Black) : Amazon.co.uk: Fashion
4PCS Eye Glasses String Holder Strap,Leather Eyewear Retainer Adjustable Eyeglass Holder Around Neck Sport Sunglasses Retainer Cords for Men and Women - Walmart.ca