... quality ABS wheels, stainless steel axletree make it more bearing, rolling smoothly.Size18" 20" 24" Packing 6pc in cartonwe also ... depositeAdvantagesWe are main manufacturer of bags, such as school bag, cooler bag, backpack bag, beach bag, traveling bags, etc. we can guarantee our ... are the main manufacturer of bags such as school bag,travel bag,cooler bag,backpack,etc.so we can guarantee our product' ...