Ahead Armor Free Floater Snare Cases feature several major design breakthroughs in drum bag design, including the patented TruForm teardrop shape and DynaZip multi-directional zipper. Plus, the DX-Core internal padding system offers top-of-the-line protection for a soft drum case.TruForm teardrop shape protects mount and keeps bag from rolling DynaZip multi-directional zipper makes packing and unpacking fast and easy DX-Core internal padding keeps drums safe and secure