Masterline Trick Wheelie BagMasterline Trick Wheelie Bag The Masterline Trick Wheelie Bag is a padded trick ski roller bag with heavy duty foam padding, urethane wheels, and a full length two way zipper. Built for trick skiers who travel with their gear, it carries the trick ski plus a second ski thanks to a foam padded divider panel. Heavy duty padded backpack shoulder straps stow away in a zippered storage compartment when you'd rather roll the bag, and dual end carry handles