Organic Flaxseed Heating Pad This dry hot water bottle filled with organic flaxseeds is your zero-waste ally for daily self-care. Hot or cold? It's up to you! Hot: lower back and neck pain, stomach aches, and menstrual pain,.. Cold: heavy legs, sprains, migraines,.. When? At the office for a quick nap, while watching your favorite series, after a hike to relax, before going to bed. Anywhere, anytime. Easy: a few seconds in the microwave to heat; a few minutes in the freezer or refrigerator to cool. Convenient: The hot water bottle is removable and the cover is washable. ❤︎ Made with love in our Toulouse workshop.