Quality: Elastic neoprene eyewear retainer made of neoprene cotton material that is durable, environmental protection It is washable and light, suitable for long time use Size: This glasses holder strap fits most standard sized glasses and sunglasses as well, measurements - 14 56"/37cm Long X 0 98"/2 5cm Wide Floating Sunglasses Straps: Neoprene glasses retainers given an ability to float on the water, When your child is playing in the water, the glasses will not sink into the water which is prefect for children swimming in the beach or pool, suitable for kids and teenagers Unique Design: 6 pcs set variety of colorful patterns designed for boys and girls, such as unicorn, donut, astronaut design Your child easily choose the desired pattern Comfortable: Soft eyeglass strap will fit securely around the ends of childs sunglasses and wear them on the head or neck to reduce the loss of glasses in daily life