Wedgees Eyeglass Retainers and Eyewear Holders (Black Sport) Stops Eyeglass Slipping Instantly & Grips your glasses softly NO Straps - NO Cords - NO Tubes, Fits discreetly behind ears For All Ages & All Eyeware - Relieves Temple Arm Pressure Secures Prescription, Safety & Sunglasses/Hot,Cold & Humid Great for Sports, Gardening, Reading, Children or Any Activity