Product Details [Don't Lose Your Glasses Again] This advanced eyewear frame can fix your glasses on your face, neck, or head to prevent them from falling, and you can easily remove them whenever you need them. No longer worry about glasses falling, missing, or re scratching [Adjustable Strap Length] With adjustable toggle switches, they cannot fall off. Simply slide the rubber tab to adjust the length you want to keep it tight and suitable for all sizes and shapes of the head [Super Value Set] This set is equipped with black, which can perfectly match any outfit to meet all your daily needs. Suitable for men and women in various occasions [Durable and high-quality construction] The eyewear belt is made of high-quality woven polyester rope with a rubber grip. Comfortable to touch and durable to use. Rubber grip absorbs the edges of the glasses without loosening [Wide use] Glasses frame is suitable for sunglasses, presbyopic glasses, safety glasses, etc., and is suitable for outdoor sports, playing ball games, or traveling. Recommended for anyone who wants to wear glasses and stay safely and elegantly in place. Specific instructions Material: PU leather Color: Red, Green, Purple, Black, White, Dark Brown, Light Brown, Pink, Sky Blue, Dark Blue, Gray Style: Neutral Length: about 70cm Package includes: 11-piece sports sunglasses strap