Wheat Hand Warmers. Handmade in Mirfield, Our microwave hand warmers are a British Handmade Gift. A thoughtful and novel for a loved one, to keep the chills away. Pop them in your pockets to keep you warm during winter months. Sold as a pair, each one is generously filled with wheat and measures 10 cm square. Option Cold pack or Hot pack. Cold Pack. Cold Therapy is great to use on sprains and swollen muscles and joints. Also for hot flushes of menopause. Heat Pack. When heated in Microwave these can be used to relieve tummy aces, sore muscles and keep warm. Care Instructions. Please do not wash , bit wipe clean with a damp cloth. Comes boxed with instructions. Postage is recorded delivery.