CliC Tube Readers are incredibly adjustable and durable – manufactured in TR90 and silicone, the Tube collection is characterized by a soft headband that is unique due to it encompasses all head sizes from S to XXL. CliC Readers offer a stylish design with a front magnetic connection. The continuous temples form a wrap-around neckband so when you want to take them off, simply separate the eyepieces and let them hang around your neck. Never misplace your readers again! Features: Adjustable temples, optical quality lenses, and patented neodymium magnetic technology for strong front connection.