... two casters inside with elastic straps plastic buckle to hold clothes,silk lining. Lining:Poly satin, smooth,brightness color stability ... with logo printed, beware of imitation. Zipper: Using high quality nylon fabric, high strength, stretch-proof, hard to twist, can be ... 60kgs pressure, well-designed, more durable. Wheels: Using high quality PVC wheels, stainless steel axletree make it more bearing, ...