The 2 Wheeled Trolley Luggage bag is made of Strong Quality Polyester fabric material that provides greater protection to your properties and expands more by 2'' when you need more packing space. The 2 Wheeled Trolley Luggage system provides excellent movement whether you pull or walk along with your case. Buckled back closure system, Gain improved wadding capacity with the simple pull of a zipper closure; perfect for packing souvenirs, clothing, computer/digital accessories. size is large , medium and small.The 2Wheeled Trolley Luggage bag is made of Strong Quality Polyester fabric material that provides greater protection to your properties and expands more by 2'' when you need more packing space. The 2 Wheeled Trolley Luggage system provides excellent movement whether you pull or walk along with your case. Buckled back closure system, Gain improved wadding capacity with the simple pull of a zipper closure; perfect for packing souvenirs, clothing, computer/digital accessories. size is large , medium and small.The 2Wheeled Trolley Luggage bag is made of Strong Quality Polyester fabric material that provides greater protection to your properties and expands more by 2'' when you need more packing space. The 2 Wheeled Trolley Luggage system provides excellent movement whether you pull or walk along with your case. Buckled back closure system, Gain improved wadding capacity with the simple pull of a zipper closure; perfect for packing souvenirs, clothing, computer/digital accessories. size is large , medium and small.The 2Wheeled Trolley Luggage bag is made of Strong Quality Polyester fabric material that provides greater protection to your properties and expands more by 2'' when you need more packing space. The 2 Wheeled Trolley Luggage system provides excellent movement whether you pull or walk along with your case. Buckled back closure system, Gain improved wadding capacity with the simple pull of a zipper closure; perfect for packing souvenirs, clothing, computer/digital accessories. size is large , medium and small.