Masterline 3 Event Roller BagMasterline 3 Event Roller Bag The Masterline 3 Event Roller Bag is a water ski roller bag built to carry jump skis, slalom skis, trick skis, and gear in a single piece of luggage. Heavy duty urethane wheels handle the load through airports and boat ramps. A shoulder strap gives you a second carry option when wheeling isn't practical, and the tool pocket plus cinch straps keep loose gear stowed in transit. A detachable inner wet gear pocket lets you