Made From Eva - a Synthetic Material, This Semi-hard Case Can Protect Your Lenses From Scratches & Its Arms From Bendy & Breaking. the Soft Lining is Also Great for Protecting Your Lenses From Dirt & Residue. Carabiner-style Keyring Chain Clip Conveniently Attaches the Glasses Case to Your Handbag, Backpack Rucksack or Tote Bag to Carry Your Reading Glasses, Goggles or Any Eyewear. as Well as Use It as a Multipurpose Storage Tool for Small Electronics, Accessories, or Other Small Items. This Product is Fit for Most Standard Sized Glasses, Sunglasses, Computer Glasses & More, Ultra-lightweight That Adds Minimum Bulk & Weight While on the Go or Carrying Around.