measures 4.5 inch x 6.5 inch Finally the answer to an active woman's pocket problems. One large pocket to store your phone, fuel, cards, cash, and keys. ✓ Run, bike, lift weights, or hit the gym, and never have to worry about where to put your phone or goods again. ✓ Versatile placement to allow you to carry it where you would like. Works either in the back of your sports bra, inside your waistband, or even in the front of your sports bra. ✓ It won't move even when you do. Combining the structure of your sports bra or waistband with a strong magnetic clip, the Koala Clip slips into place and you won't even know it's there. ✓ Reduces stomach issues without unnecessary belt-tightening. ✓ Protects your phone from sweat, water, rain, snow, and the cold. No more worrying about your phone dying from excess sweat or water. We use a modern-day cloth diaper liner, just reversed to keep moisture out!