Luggage Sets 3 Piece:20" carry-on suitcase (carry on luggage 22x14x9 airline approved, fits in overhead bins and under seats) + backpack（built-in USB charging port）+ portable toiletry bag. The set covers all your travel needs with exceptional value Silent Dual-Spinner Wheels & Ergonomic Design: Carry-on luggage features premium wheels with 360° rotation for whisper-quiet rolling. Tested on airport floors, carpets, cobblestones for smooth performance. Three-position telescoping handle with side handles reduces strain TSA-Approved Lock & Premium Zipper Security: Built-in TSA-certified lock allows airport inspection without breaking lock. Features smooth-gliding zippers. Dual-security design protects valuables as checked luggage and provides peace of mind Enhanced Protection Organization:PC+ABS hardshell offers lightweight durability with scratch-resistant texture. 4 corner guards provide upright stability and protection. Interior features X-strap compression & zippered mesh compartment. The luggage set's duffel bag includes multiple pockets for organized packing HOTEEL Service: 90-day hassle-free returns, 4-year warranty protection, and long-term warranty for zippers, wheels & handles. We ensure a worry-free quality lifestyle for every memorable journey