・ Each cube measures 2.7cm (length) x 2.7cm (width) x 2.7cm (height). The weight is 29g. ・ This is a set of 8 ice cube alternatives. ・ It cools down dozens of times faster than ice and chills drinks quickly. ・ Since it's not ice, it won't melt and dilute the taste of your drinks like alcohol or juice. ・ The smooth, rounded design won't scratch your cups or hands. ・ It provides excellent cooling power when used in cold beverages.