Wallace Cameron Blue Dot Hot/Cold Pack Reusable 13cmx14cm (Pack of 10) 1001012This small Blue Dot reusable hot cold pack is the perfect solution for temporary relief from various discomforts such as muscle aches, back pain, sinusitis, and menstrual cramps. It can be frozen to provide a soothing cold therapy or microwaved for a comforting heat therapy experience. Measuring 130 x 140mm, the pack is supplied in blue. Hot and cold packs for treatment of muscle pain and more Reusable fabric ensures durability and convenience