RAVE Sports Anchor Bag Simple, reliable bag fills with sand or rock to create a 40-lb. anchor for temporary use of smaller products. A 12-ft. anchor line easily connects to your Aqua Launch (two required), Aqua Log (one required) or Water Whoosh (two required). 12' anchor line connects to the Aqua Launch, Water Whoosh, or Aqua Log 2 anchor bags required Aqua Launch and Water Whoosh 1 anchor bag required for Aqua Log