... 2.good quality and best service, 3.OEM accepted wheelbarrow inner tube factory1. Variety: Pneumatic Wheel,Solid Wheel,Foam Wheel,Tubeless Wheel ... flower,Big Flower and moreTyre Colour: Black,redetc2.3. Inner Tube Material: Natural rubberInner Tube Rubber Percentage: 20%,30%,40% and more2.4.Wide ... trolley,tool cart etc 2.5. 3.50-7 Wheelbarrow inner tube. Wheelbarow inner tube