The Outdoor Connection 2 Piece Bench Shooting Rest Bag can be used at the range, deer stand, or on any surface and holds position for positive sight-in, which adds stability for precision shots. It is constructed of synthetic Nu-Buc and filled bench bags have little pieces of polypropylene.FeaturesUse at the range, deer stand, or on any surfaceHolds position for positive sight-inAdds stability for precision shotsConstructed of synthetic Nu-BucFilled bench bags have little pieces of polypropylene