There’s no need to worry about questionable public water fountains or yet another water cooler with no cups while you carry this durable collapsible drinking vessel. This 2.9″ cup is made of stainless steel, and holds five ounces when fully expanded. It collapses almost flat, and features a secure lid and split ring hardware to attach to your belt, keychain or backpack. It’s perfect to use in the car during road trips, or while you hike, bike or camp out. Add your organization or corporate name, logo, or message to create a convenient premium you’ll be glad to have along on all of your outdoor adventures.