Loading Weight : 75Kg Our Fold Up Dolly Wheels Are Made Of Upgraded Wheels With Smooth Surface, And Smooth Rolling To Increase The Load-Bearing Capacity Of The Cart, It Is More Wear-Resistant Smooth Our Luggage Cart Folding And Stretchable Design, Not Only Save Space , But Also Bring You Endless Convenience, There Is No Problem Maneuvering It And Safely Bringing In Boxes,Luggage Etc.