This comprehensive bundle is one of our best values! You save $43 compared to buying the items separately! Includes our Trilogy Modular System + set of 8 packing cubes + hip belt! Trilogy Modular System includes 3 bags: Expandable Spinner - With 360° wheels and side pockets. Weekender Daypack - Ideal for quick trips or as your personal item. Expandable Tote Pack -Multiple ways to carry; everyday or travel. Converts to a rolling bag, travel pack, or 3 separate bags. Zips apart to fit into overhead bins and under the seat - no more checking bags. Patented 3-bags-in-1 design; all three bags are expandable. Packing cubes fit the modular system perfectly, reducing packing stress. Everything you need for better modular travel.