PRASM Designer cotton terry cloth zipped zipper wallet pocket elastic wristband sweatband wrist sweat band brace case athletic sports gym running jogging exercise casual tennis baseball soccer basketball yoga golf football outdoor hiking biking - Solid Colors - Size "A" or "B" Size: "A" - (this size can hold keys, cash, etc.) Size: "B" - (this size can hold bank cards, keys, cash, etc.) PRASM Wristbands are made of the highest quality materials & construction. PRASM Wristbands have a Water-Resistant Zipper Pocket Liner that can hold your keys, loose change, bills, etc. PRASM Wristbands are practical. They are perfect for all sports, your workout, and jogging. Also, PRASM Wristbands are a hip accessory for your casual attire. PRASM Clothing helps you to "Live Life in Full Color".