rmonde 4 Pack Anti-slip Silicone Glasses Straps with 4 Pairs Ear Grip Hooks, Soft Eyewear Retainer Eyeglasses Holder for Kids Adult Sports - Black, White

EYEGLASS STRAP SIZE: 21.5 cm/ 8.5 inches in Total Length, Hole Size is 0.9 x 0.2 cm, Elastic Design Allows You to Stretch the Strap Up to 45 cm EAR GRIP SIZE: High quality soft silicone, lightweight and durable. size: 1cm x 0.5cm (D-T), Fit for glasses arm width from 0.2cm to 0.7cm DURABLE MATERIAL: Both Eyeglasses Straps Made of Soft Silicone, Which is Durable, Flexible, Lightweight and Comfortable, Soft and Durable, Comfortable to Head, Simple and Practical Design, Easy to Use 2 VARIOUS COLORS: Black White(2 PCS of Each Color). You Can Choose the Best One to Match Your Mood and Sports Environment, Satisfy Your Different Needs. ANTI-SLIP DESIGN: Effectively prevent your eyeglasses slipping down when you are working, daily wear and outdoor activities, such as basketball, running, climbing and riding. and you don't feel sore ears. PACKAGE INCLUDING: 4Pcs of black&white Eyeglass Strap , 4 Pairs of black&white silicone round eyeglasses temple tips sleeve retainer