Chemically activated heat releasing pads and packs for therapeutic or medical purposes; Therapeutic or medical abdominal, back warmer pads; Therapeutic or medical heat packs; Heating pads for medical purposes; Drug delivery patches sold without medication; Chemically-activated heating packs for medical purposes; abdominal and back pads used for physiotherapy; heat packs used for physiotherapy; Thermal packs for first aid purposes; abdominal and back pads for relieving pains for medical purpos...