Emerson Military Tactical Helmet Cover for Ops-Core Fast Ballistic Army Paintball Hunting Shooting Gear Helmets, Typhon Camo Airsoft Tactical Paintball Shooting Hunting Equipment. Designed for Ops-Core fast ballistic helmet. Constructed by high quality Nylon material; Exquisite workmanship. Attached to the helmet by hook & loop fastener; With hook & loop fastener on both head-sides & back for attachment. The hook & loop fastener is secure for attaching and the different patterns could match many gears you may have. Very easy to install onto fast helmets. Note: The helmet is not included.