silicone
• Imported
• Comfortable to wear: SMARTTOP eye glasses ear grippers hook is ergonomic design and scientific curve, the eyeglass ear grips is light weight and comfortable to wear, you can't even feel it behind your ear. It will not put pressure on your ears
• Anti-Slip: Never worry about missing your glasses or sunglasses again. Our special silicone glasses ear grip to keep a tight grip on your glasses so you can do anything freely
• Useful: Fits most kids and adult size eyeglass, you can use the eye glasses ear grippers during working, exercise, such as cycling golf, tennis, play table tennis,skipping rope,running, playing football, playing basketball
• Good Material: 100% extra soft silicone material, anti slip glasses holders for ears , won't go yellow and solid, and will not harm the skin
• Size and Quantity: size :4.2 * 1.1 * 0.25cm, color:clear, you will get total 20 pairs clear eyeglass ear hook grips of glasses。