Come and see our amazing products. This neoprene material is lightweight and made to float that features soft, washable, and durable. Designed to fit frame arm size 1/6 up to 1/3 inch wide. This strap prevent your glasses from sliding down when you are in outdoor activities. Perfect for fishing, biking, hiking, skiing, watersports, or for everyday wear and ideal for the outdoorsman. Pls confirm with us about the packing info, stock color and exact production time before placing your order