[【4 Piece Luggage Set】Luggage sets include a 24-inch large suitcase 20-inch carry on luggage extended duffel bag and a toiletry bag. The duffel bag features a back sleeve so you can conveniently attach it to the retractable luggage handle. 【High-quality PP Material】Cosbarn PP luggage sets feature high-quality PP material known for its recyclability and environmental friendliness compared to ABS. The PP luggage boasts superior resistance to extreme temperatures increased impact resistance and a reduced risk of cracking making it a durable and sustainable choice for travelers. 【TSA Lock & YKK Zipper 】luggage sets are equipped with premium features including a mounted TSA-approved lock for enhanced security and a fully-lined interior divider with organization pockets to keep belongings neat. The reinforced and upgraded YKK zippers effectively prevent splitting ensuring reliable and secure travel for your valuables. "【Upgraded Shock-absorbing Wheel】 Enjoy silent and smooth mobility with our luggages 360° double spinner wheels. Equipped with 8 high-quality shock-absorbing wheels this design ensures quiet and smooth travel. The double wheel configuration enhances durability and provides superior directional control for effortless maneuverability in any direction." 【Full Aluminum Telescopic Handle】Hard shell suitcases feature an ergonomic 3-stage retractable trolley with TPU handles on the top and sides making it effective for a variety of occasions]