5 Pieces Per Set Adjustable Elastic Glasses Strap Soft Anti-slip Silicone Eyeglasses Rope High Quality Eyewear Lanyards

High-concerned chemical : None Place Of Origin : China (mainland) Material : Silicone Width(mm) : 5mm Length(mm) : 270mm Product number:101YJAMMPT Origin : Mainland China

Please Confirm Before Purchase , Don'T Buy Mistakes!! "+" Means: Magnifying Glasses/Hyperopia/Prebyopia/Farsightedness , Most Use For 40-80 Years Old "-" Means: Myopia/Short-Short/Vision Miuns , Most Use For 0-40 Years Old "0" Means: The glasses have no prescription and are mostly used for decoration

For Example : If You Need Presbyopia +2.5 , Please Purchase +250 If You Need Myopia -1.75 , Please Buy -175