Soothe aching muscles, joints and warm your cold aching bones with The Pyjama Farmer’s heat packs. Great for easing chronic pain, period pain, arthritic pain, migraines, muscle aches and strains, and for warming yourself up. A superior substitute to a hot water bottle as these heat packs mould to your body for maximum contact and the weight of each heat pack brings extra comfort and relief. Can be used both hot and cold. All natural new materials & 100% compostable and handmade by the Pyjama Farmer herself.