Ergonomic handle: ergonomic materials, firm, delicate, and carefully cared for your journey Silent aircraft wheel: The aircraft wheel is made of high-density tough plastic, with high wear resistance, flexible rotation, and the bracket is reinforced with rivets. Getting to and from your holiday destination can be a stressful journey. You can even place small bags and travel essentials on top. Made of waterproof oxford material: waterproof and scratch resistant.