Capacity 1 ounce approx. 28 (can hold about 25 g of wine), enough to use. It has a leak-proof screw cap,not easy to leak your drink,liquors etc. Mini portable size for hand posture, easy to carry when you are on the go. It is suitable for holding all alcoholic and alcoholic drinks as well as other liquids and fits easily in the bag. Perfect for a belt loop or car key, making it discreet and fun for you and your family.