The adjustable elastic anti-slip glasses strap is for runners and sports enthusiasts who need to keep their glasses secure during intense activities. This strap ensures that your glasses stay in place, preventing them from falling off and getting damaged. Simply attach the strap to the arms of your glasses, adjust the length for a snug fit, and enjoy your activities without worrying about your eyewear. Features -Color:Assorted Color -Material:Polyester, silicone -Size:20.50X1.50X0.65cm/8.06X0.59X0.26in -Adjustable elastic design: the adjustable elastic design fits different head sizes, ensuring a secure and nonslip hold, preventing glasses from falling during running and sports - soft material: made from soft, materials, this strap effectively protects glasses from damage, extending their lifespan. ideal for outdoor activities and sports -Long length design: the long length design allows for easy adjustment to personal needs, making it convenient to carry and use, preventing glasses from getting lost. for travel and outdoor activities -Easy to use: simply attach the glasses to the antislip strap for a quick and , freeing your hands. suitable for daily life and outdoor activities -Fashionable multicolor combination: available in multiple colors, this strap adds of style and personality to your glasses, making them more fashionable . great for fashion matching and daily life Package list: 4 x glasses anti-slip rope