MATERIAL. Adopting premium electroplating steel material, anti-rust, anti-corrosion, high performance of durability and stability. EXTEND SPACE. Perfect to extend extra space to hold your cash, bills and some other essential notes. NON-DEFORMATION. The spring base has strong strength, and the clip mouth is easy to extend as your needs, non-deformation. FOR MEN AND WOMEN. Great for both men and women;Use in Place of Wallet; WILD DESING. Pure glossy silver color design is easy to match for leather wallets in any kind of styles.