This cup holder can hold insulated mugs, hot or cold insulated containers, aluminum cans, fountain cups, glass bottles, and much more. This high-quality caddie is also great for storing small objects and tools that you want quick access to, like a can, an automotive spray bottle, an aluminum lubricant, or a different accessory. Powerful magnet attracts to any ferrous metal surface including toolbox, metal cabinet or inside a van or school bus. Our caddies come in red or black. Master Magnetics was founded in 1976 and is currently located in Castle Rock, Colorado. We manufacture and distribute magnetic products for commercial, industrial, and consumer use.