The Apex Mini Bean Bag is the smaller version of the popular Apex Bean Bag. The innovative design of the Apex Bean Bag actually allows you to attach a ball head or gimbal head directly to the bag! Recommended for lenses up to a 500mm. Made of tightly woven heavy-duty nylon pack cloth and sewn with high strength polyester thread, the Apex Mini will not leak regardless of filler material used. Track, pan, and auto-focus without the problems typically associated with bean bag use. The Apex Mini comes with an aluminum plate that can be inserted into the top pocket of the bag for a tripod head. The plate can be removed for regular bean bag use. The bag"s large flat top provides a highly stable surface for lens support on its own, and allows easily inversion for use on a car hood or the ground. The bottom U-shaped portion is covered in a high-tack material to insure the bag stays put and to provide outstanding stabilization of equipment when the bag is inverted. A versatile carry strap allows the bag to be securely fastened to a vehicle door handle, or other support. The convenient fill zipper is covered with a weather resistant flap.