... :cart troller roller conveyor Name:Mesh logistics trolley TYPE: MMBThree sides of this trolley adopt dense meshs,mesh size is 50X50mm ... choose: middle board,whiteboard,belt,dust cover,heat coverSpecial size can be manufactured based on your drawing. TYPEout sizeinner sizeself weightload ... products: Thank you for all your interests! JS Supermarket storage rolling cart, Trolley, Universal wheel guide