The S.O.Tech Go Bag Extended needed something to protect the high tech weapons being transported in it. So S.O.Tech designed this padded liner for the Extended Go Bag.It is used by the military for protecting the M4 Rifle carried in Bag. Can be used for dividing bag or protecting multiple items. A very useful addition to the Go Bag. ONLY AVAILABLE IN COYOTE BROWN, DUE TO DARKER COLORS MAKE IT HARDER TO SEE CONTENTS OF BAG IN LOW LIGHT SITUATIONS. Berry Amendment compliant. All S.O.Tech products have a full Lifetime Warranty.