Mobilejoes™ & sportmixer slings are created to travel. Carry your favorite beverages everywhere. Great for hands-free activities! Clips onto bike, backpack, messenger bag, and more. May need to keep sling upright just in case your favorite beverage has a loose lid and leaks out! Whether you need our mobilejoes™ to carry your "joe" or hot beverage; or our sportmixers to carry your protein shake or favorite cold beverage, mobilejoes™ slings are perfect for carrying either...wherever life takes you.