Product Features Quantity - Two bottles, two 28-400 caps and two dropper+A metal funnel Capacity - Holds 2 cups = 16 fluid ounces = 480 milliliters Style - Boston round Size - 6.7 inches tall, 2.76inches diameter Neck size - 28 millimeters (28/400 cap size); label size - Recommended maximum 3.93 inch tall by 9 inches around. Material - The bottles are made from thick walled lead-free glass Color - amber colored glass with natural ultraviolet protection Caps - lined lid provides phenolic seal, black color, ribbed lid for easy grip, BPA-free polypropylene plastic