1. ANTI- & SHOCK-PROOF - Our eyewear retainers come with anti- and shock-proof design which assures a and prevents glasses from slipping and falling down during strenuous exercise. You can wear your glasses comfortably and not be pushing them back in place all the time!2. SOFT AND SAFE MATERIAL - Our eyeglasses stoppers are made of high-quality silicone, 't go yellow nor turn hard, allergy-free, odor-free, very comfortable, It 't hurt your ears or stick to your hairs3. HIGH APPLICABILITY - Fits almost any pair of eyeglasses, reading glasses, sunglasses whether the temples are thin or thick.4. WHAT YOU WILL GET - 16 pairs include 4 styles glasses retainers, circle ones, comas ones, strip ones, etc. Kids and adult can both use these eyeglasses temple holders.Specifications:Fit glasses: For glasses legs from 0.3-1.2 cmSleeve Retainers Length: 2.12InchGlasses Ear Hooks Length: 1.7InchCircle Shaped Glasses Retainer Outer Diameter: 0.57Inch Inner Diameter: 0.31InchComma Shaped Glasses Retainer 0.7x0.5x0.2InchInstall and clean:Simply a frame grip up each ear piece to a comfortable position on your ear. The resulting flexible tension will give a tight, comfortable fit.Very easy to clean, just use soap and water wash them. Leave it to dry naturally, or even assist the process with a hair dryer.WARM TIPS:PLEASE NOTE THE PRODUCT IS NOT A TOY AND THE PACKAGING INCLUDES ACCESSORIES. PLEASE KEEP IT FROM BABY AND PETS.colour: black + transparent colorMaterial: siliconePackage Contents:2 Pairs x Black Sleeve Retainers2 Pairs x Clear Sleeve Retainers2 Pairs x Black Ear Hooks2 Pairs x Clear Ear Hooks2 Pairs x Black Circle Shaped Glasses Retainers2 Pairs x Clear Circle Shaped Glasses Retainers2 Pai x Black Comma shape Glasses Retainers2 Pairs x Clear Comma shape Glasses RetainersOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.