This convenient case is perfect for storing eyeglasses and sunglasses. The surface is made of wrinkled Tyvek from DuPont, USA. The storage area is made of cushioned polyester material to prevent scratches on the lenses. The case opens and closes with a simple one-touch pinch at the opening. What is Tyvek? Tyvek is a highly durable non-woven fabric made of 100% high-density polyethylene. Its unique structure provides excellent waterproof performance and outstanding strength and durability. While it has a paper-like texture, it is a superior material used in construction materials and protective clothing. 【Size】 Approximately 18cm wide / 9cm long 【Color】 Beige 【Material】 Tyvek Please note: The date glasses and sunglasses we carry are produced overseas, and may have minor scratches or distortions. Please understand this before purchasing.