Features: Strong magnetic clasps ensure secure grip on eyewears legs, preventing slip during intense activity while offering hands freely convenience. Consist of food liquid silicones, this adjustable chain combines skin friendly softness with flexible length customization for various day comfortable and universal head size compatibility. For professionals, active individuals, and a double purpose accessory that secures glasses and elevate outfits across casual, formal, or retros styles. For workouts, driving, or daily errands—its antislip magnetic also safely secures sunglasses, ensuring device protecting in dynamic environment. Light weight and travel with 360 degree rotatable clasps, this water resistant chain fit various frame thicknesses. Specifications: Color:Six Elections Dimension:24×58mm/0.94×2.28in Component:silicones Package Includes: 1pc silicones Glasses Chain note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.