The Sky High Gear Headset Add-on Case is a perfect way to cap the side of your Discovery II or Gemini flight bag and will add a great deal of capacity. It is large enough to hold one large ANR headset, up to 2 traditional headset, two 2" Jepp Chart binder, emergency kit or anything else that you need to pack. Also bartacked to the front of the case are external loops to attach carabineer or other clip accessories. The rugged 1680D Ballistic Nylon is durable to handle all of your gear for your years to come. The case is lined with 420D Nylon and padded with 1/4" closed cell foam. If you fly electronically, consider using this with the Sky High Gear iPad Add-on case.