Size: 4" x 4" When your Apple lighting phone or device is dangerously low on battery power, having an extra charging cord handy can be a lifesaver. It's a good thing Lilly knows juice, because this lovely leatherette charging tag helps serve the juice you need in a pinch! Attach the portable charging tag to your bag and rest assured that along with a portable battery backup or wall charger you won't be falling off the grid anytime soon.