Shell/holster Combos are available in various colors. Decide from an assortment of materials like rigid plastic. Shell/holster Combos come in black and white and other colors. Cell phone covers come in new, seller refurbished, or pre-owned condition on eBay, so you can make your dollars go further. Also, Shell/holster Combos are a splendid choice for making your phone look the way you want it to.