Black Canvas T-Top Panel Storage Case Corvette America X2434 T-Top Suitcase from Corvette America Made from industrial grade Canvas/Nylon, these T-Top Suitcases will stand up to years of wear and tear. The T-Top Suitcase comes with a three-sided, double-headed zipper for quick and easy access. It also features a 1/2" padded insert to separate and protect tops in storage.