The and wander Dyneema Wallet is made of ultra-thin DSM's Dyneema composite fabric (formerly Cuben Fiber) which is made by laminating Dyneema fibers with UV resin. This fabric is used in high-performance sails for racing boats, it's ultra-lightweight, highly waterproof and tear strength. Dimensions: approx. 10,5 x 10 cm; weight: 20 g. 100% polyethylene Dyneema fabric; made in Japan.