6 piece luggage set includes 18 inch, 20 inch, 24 inch, 28 inch, travel duffel bag and toiletry bag, can be conveniently stored one into another. Ultra-light, ultra strong ABS hard shells withstand the rigors of modern travel. TSA-Approved Locks and reinforced zipper are used to keep personal items secure. 360° double-spinner wheels assure smooth maneuverability and a quiet ride. Expansion zipper that adds 25% more space (only for 24/28 inch and duffel bag). Spacious interior with multiple packing compartments. LARVENDER Luggage Sets 6 Piece, Expandable Hardside Carry on Suitcase Set with Spinner Wheels, Lightweight Rolling Luggage for Men and Women with TSA Lock, Black