Three MRS Gunma Shungite stones weighing approximately 15g. Keep in your pocket, wallet or purse, hold between your hands, wrap in a scarf around your neck or head, under a cap, under your pillow, next to your cell phone, PC or other digital devices. For making water: Place in a bowl of water for soaking fruits and vegetables. This is a very useful little pack. Be creative, have fun, and use them!