Material:The glasses chain is made of comfortable nylon thread, durable and fashionable.

Feature:Safe and non,self-Effectively avoid glasses slip,adjustable.

cotton

Quantity:4 pieces adjustable sunglasses strap with glasses cloth and eye rope.

Design:Adjustable switch on the rope ensures that the belt does not fall off.

Application:Fit most glasses frames, can work well with prescription glasses, sunglasses, reading glasses.

nuoshen 4 Pieces Sport Glasses Strap Soft Anti-Skid Glasses Chain Adjustable Sunglasses Strap Eyewear Strap with Glasses Cloth and Glasses bag for Reading Sports Outdoor