Universal Compatibility: These versatile glasses straps fit most eyewear types - from sunglasses to prescription glasses. perfect for anyone engaging in sports or outdoor activities like fishing or cycling, ensuring your glasses stay securely in place. Superior Adjustable Feature: Achieve the perfect fit with our easily adjustable glasses straps.providing a snug grip that prevents your glasses from slipping or falling during dynamic activities. Comfortable and Durable Material: Made from soft, high-elastic polyester fabric, these eyeglass straps offer ultimate comfort and long-lasting use. They won't irritate your skin or get tangled in your hair, letting you enjoy your activities without distraction. Innovative Anti-Falling Design: Equipped with high-elastic silicone grips, our straps securely hold onto the temples of your glasses (suitable for temple widths over 5mm), reducing the risk of dropping or losing your eyewear during high-motion activities. Material: Silica gel colour: black Package Contents: 3 x Adjustable Glasses Straps Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.