Adjustable Glasses Strap - Upgrade 4 Pack No Tail Eyeglass Straps, Universal Fit Rope Eyewear Retainer, Sport Unisex Sunglass Retainer Holder Strap (Black,13 inch) Black 2 sold2024 if you have any questions

if you have any questions or concerns about our products

Comes with 3 different degree of resistance work up to your desired comfort ( yellow is the softest

soreness or other irritation BV is totally normal and natural

Please see our size chart before purchasing

Lens height: 35 mm

Adjustable Glasses Strap - Upgrade 4 Pack No Tail Eyeglass Straps, Universal Fit Rope Eyewear Retainer, Sport Unisex Sunglass Retainer Holder Strap (Black,13 inch) Black 2 sold2024 if you have any questionsAdjustable Glasses Strap Upgrade 4 Pack No Tail Eyeglass Straps, Universal Fit Rope Eyewear Retainer, Sport Unisex Sunglass Retainer Holder Strap (Black,13 inch) Product Features 50% silione Made in the CN or Imported Tips There is a moveable cube toggle and a small ring on the cord, which allow the strap to be adjusted according to your head size and effectively prevents your glasses slipping down,can be easily adjusted according to your preference.