Aqua Beads pack can be heated or cooled to provide soothing relief to aches and pains. Freeze for 2-3 hours for cold therapy and simply microwave for warm therapy. Can be immersed in hot water for up to five minutes to provide quick relief for aches. Soft, pliable PVC pack will conform to injured area and is durable to provide years of use. Can imprint your logo to reach brand enhancer.