When every inch and pound of pack space counts, the Stainless Steel "Biner" Mug gives you the gear you need without the extra load you don't. The innovative handle with a locking carabiner allows you to safely attach it to your vest or pack for ready at-hand access without sacrificing critical pack space, and folds back for easy storage. Constructed of durable stainless steel, the "Biner" Mug will stand up to your most rugged ops, plus the less than half-pound weight and compact 3.25" H x 3" Dia. size help you travel light. Very popular with Scouts and Scouters for that early morning coffee on a chilly morning out camping!