If you want to take care of the mattress well to keep it in good shape, follow these instructions: Rotate the mattress regularly to ensure even wear across the sleeping surface. Avoid standing or jumping on the mattress. Avoid keeping it folded or bent for a long time. Don't let excessive moisture saturate the mattress. If liquid is spilled, remove the cover ASAP and blow dry. The mattress should rest on a flat, solid surface for best results and to prevent sagging. The only way to protect your mattress from liquid spills is by using a waterproof mattress protector. Remember, Jennifer Furniture doesn't consider a liquid-damaged mattress for a warranty replacement. Spot-clean or dry-clean your mattress cover. If your mattress cover is marketed as machine-washable, you may wash on a gentle cycle and tumble dry without heat.