1. Modular design, assemble 3 modules at your will
2. The fundamental (card module): can hold 3 cards and some cash
3. The subsidiary (bill module): with elastic band, can hold 6 cards and more cash
4. The pouch (coin / key module): bottom opening, no need for zipper
5. Each module can be separately
6. Magnetic connection design, easy to assemble and separate
7. Slim and portable, easy to carry
8. Material: PU
