Adjustable cotton braided Sport tube cord - Le Petit Cordon UK
Glasses cord £2| Flying Tiger Copenhagen
Adjustable Glasses Strap – Cordial Knots
Zingso Sports PU Leather Glasses Strap, 3 Pcs Multi-Color Classic PU leather Adjustable Eyewear Sunglasses Head Band Eyeglass Chain Lanyard Glasses Strap for Decoration and Sports (Black+Black+Black) : Amazon.co.uk: Fashion
Spectacle Cord for Safety Glasses - SafetyGoggles.co.uk
Floating Sunglasses Glasses Lanyard System Cord Strap UK Watersports – Wrapz Eyewear
Colourful Glasses Cord/ Tibetan/ Tribal/ Pattern Rickusra - Etsy UK
Children's silicone glasses cord - Le Petit Cordon UK
Gorilla Grips® Eyewear Holder by Leader - Eyecare-Shop