Lupins are widely regarded as an allergy alternative to wheat and are more resistant to moisture and less weight for more comfort. Quick microwave for easy heating. Freeze and use as a cold pack. Suitable for all parts of the body. 100% natural cotton corduroy cover. 30% lighter than a comparable standard wheat bags. Handmade in Australia.Made from 100% natural Australian lupins. Allergy and odour free.Not treated with chemicals or fungicides. A better product than traditional wheat bags / heat packs.Our lupins bags with their gentle penetrating heat or cold, go deep into the muscles to help nature with the act of healing. By simply warming in the microwave or chilling in the freezer, the natural lupins will assist to sooth aches, pains, stress and hot flushes.