... stability, does not fade, and with logo printed, beware of imitation. Zipper: Using high quality nylon fabric, high strength, stretch-proof, hard ... 60kgs pressure, well-designed, more durable. Wheels: Using high quality PVC wheels, stainless steel axletree make it more bearing, ... can develop new style for you.we are engaged in 100% of our customers satisfaction ,provide good quality and reasonable ...