Charcoal Ribbed Hot Water Bottle Bag (2ltr)-Anthracite Ribbed Hot Water Bottle Bag Fashy Composition Plastic, fleece Use To relax and feel good. Also suitable for pain relief where heat therapy is recommended, e.g. B. with impaired intestinal activity, stimulation of blood circulation, relaxation of muscle cramps, menstrual problems. Don't use it with :p. B. febrile illnesses, inflammations. Decreased nerve sensitivity/temperature perception disorder, with severely damaged skin or skin conditions, with chronic venous insufficiency. If in doubt, seek the advice of a doctor or pharmacist.