These powerbanks are the perfect size to carry in your briefcase or a purse. They are even small enough to carry in your pocket. They are great to charge your earbuds, or airbuds.. You can use them to charge your cell phone if you needed a emergency charge. These would make great gifts any time of the year but especially at christmas time for a stocking stuffer. They are small enough that the great hunter or fisherman could carry them on them or in their tackle box. They also have a built in flash light to light up that key hole late at night.