This tough nylon cord from Sinner features a rubber strap adjuster and is a super practical accessory to secure and protect your sunglasses during outdoor activities. Designed to keep your sunglasses safely attached to you, ensuring that you don't lose or accidentally damage them while on the move.The rubber strap adjuster allows you to customize the fit, ensuring a comfortable and secure attachment to your sunglasses. This feature is especially useful during active pursuits such as hiking, camping, or water sports, where you might be moving around vigorously.Material: NylonRubber Strap AdjusterBlue cross pattern