Stress and tension melt away with our Thurlby Herb Farm Sandalwood Heat pack. Applies dry heat, gentle pressure and plant power to work on your aches and pains. The handmade packaging is from cotton fibre off cuts from the clothing industry, printed by pressing fresh leaves into the dried paper. The heat pack cover is made from natural linen or black cotton - a high quality fabric that requires much less energy and water to produce than any other material.