Tinksky 2-in-1 Eyeglasses Sunglasses Glasses Anti-slip Nose Pad Elastic Silicone Headband Strap Set (Pink) Strap color: pink. Material: durable soft silicone. Strap total length: 22cm. (Elastic design allows you to stretch the strap up to 60cm). Hole size for glasses legs: 0.9cm*0.2cm. Item type: 2-in-1 Eyeglasses Sunglasses Glasses Anti-slip Nose Pad Elastic Silicone Strap Set.