thermal packs for first aid purposes; thermal packs for medical purposes; hot/cold gel packs for first aid purposes; hot/cold gel packs for medical purposes; thermal cooling kits comprising thermal packs for first aid and/or medical purposes, hot/cold gel packs for first aid and/or /medical purposes, and covers therefor; headband covers specially adapted for thermal packs for first aid and/or medical purposes, headband covers specially adapted for hot/cold gel packs for first aid and/or medic...