The AHEAD Armor Floor Tom Case features several crucial breakthroughs in drum case/bag design, including the patented TruForm teardrop shape and DynaZip multi-directional zipper along with the DX-Core internal padding system. These cases are designed to directly benefit the drummers who rely on this gear day in and day out. Not to mention they"re at the forefront of convenience, reliability and most importantly safety. The key feature is their unique shape. Employing Revolutions patented TruForm design, the shape of each case corresponds to the true shape of the drum plus its mounting hardware. The universal, teardrop design allows a much snugger drum fit. Various sizes available. Please see drop down menu to choose.600 Denier polyester exterior Weather-resistant and waterproof DX-Core padding featuring premium Sherpa Fleece Tear-drop shape Dynazip zipper