Retro Jewel Aluminum Colored Tumblers Cups Set of 6 Reminisce today on the porch or by the pool with our set of 6 anodized aluminum tumblers. Designed to hold a full 16 oz. -- firm and sturdy. Tumblers measure 5.25" high and are 3" in diameter. Please note they are NOT for dishwasher or microwave. Anodized Aluminum.