Hotty Botty Bear These cute little fellows are filled with wheat grains and soothing lavender. Simply heat in the microwave for just 2 minutes. Ideal for the whole family, providing comfort and warmth for up to 3 hours. Much safer and easier to heat than old-fashioned hot water bottles. Hotty Botty Bear is filled with treated wheat grains fragranced with lavender - ideal for soothing aches and pains