The adjustable eyewear retainer, don’t lose your sunnies on all your outdoor adventures. You can express yourself with on-trend designs. One size fits most so you can interchange all your sunglasses. It’s good to be green: feel good about your eco-friendly purchase, Sunnystring is made from recycled plastic bottles (1 bottle makes 2 sunnystrings).Gogglesoc Tire Tread Sunnystring Features: Made from recycled plastic bottles (1 bottle makes 2 sunnystrings). Fashionable designs - we can print anything. Easy to use and store - fits perfectly in your sunnysoc. Compatible with our merchandising. Perfect activity essential Connector - designed to fit most sunglasses. Adjustable fit- secure tightening bead so your sunnies are safe during any and all activities. Vibrant designs - printed to make colours stand out