Purchased on Amazon for my daughter last Christmas and she found she just didn't use. Works great. Was only used for a month then sat in her closet. Has slight sticker residue from manufacturer sticker. Exterior can be used with dry erase marker. Features & details Capacity - With enough space to hold 6 12-oz Cans, this is the perfect way to store lunch, water, beer, wine, baby bottles, soup and more. Portable & compact - Compact size fits neatly on desks or in small spaces, while a built-in carry handle makes this an extremely portable heating and cooling unit that you can take wherever you need to go. AC & DC Power Cord Heating & cooling - Chill drinks and beverages down to 45°F or Warm them up to 130°f based on your ambient room temperature. Removable shelf - Slide-out shelf provides the flexibility to store various foods, such as yogurt, cheese, and more. Bring It On-The-Go - Bring it wherever you need to go. It's the perfect way to keep beverages and snacks close while in the office or your dorm room, and is a great companion for long roadtrips or hot days on the boat.