The Travel Size Heart Warmer is so cute that youll want to give it to everyone as a gift - for Anniversaries, Valentines Day, Mothers Day, a friends birthday or just because! Measuring 5 inches by 5 inches, the Mini HeartWarmer can be stored in the freezer or heated in the microwave. This portable hot/cold therapy pillow is ideal for: insect bites bumps & bruises Sunburns fevers summer heat tummy aches headaches sore muscles hand warmer winter cold Our Mini Heart Warmer Pillow is filled with premium whole buckwheat seeds grown without fertilizers or pesticides that provide soothing comfort when heated in the microwave or chilled in the freezer.