Details: 1. Polyester glasses straps with rubber grip are suitable for regular glasses/prescription glasses. 2. The rubber grip fits all small to medium sized frames, allowing glasses to hang on your chest, or rest on top of your head, and your glasses will not go missing, dropping when in sports, outdoor activities. 3. If the rubber grip is too long for your glasses, cut excess with scissors. Package includes: 8 pack with 8 colors: Army Green, Black, Gray, Blue, Bright Green, Coffee, Red and Navy Blue