Abstract: In a waterbed including a frame and a fluid-containing mattress positioned within said frame, means for anchoring a covering, e.g., a flexible sheet, pad, combinations of same, and the like, over the top of said mattress, said anchoring means including a plurality of resilient strap elements attached at one end of each thereof to the inside and in spaced relationship to each other about the inside periphery of said frame, and for each of said strap elements a removeable connection element having means located on one end thereof adapted to connect same to said strap element and having means located on the other end thereof adapted to releaseably connect same in a button hole provided in said bed covering desired to be anchored.