1.Save Time and Money-Are you still looking for large ice cubes that can have a long cooling effect? Our extra large ice cube tray can solve this problem for you. This is definitely a great tool for making ice baths at home, no more need to go to the supermarket to buy ice packs. You can make your own extra large ice cubes at home, saving you time, energy and money. Alternative to countertop ice maker. 2.4 Ice Moulds, More Efficient and Flexible - Compared with other ice tray, the 4 pack extra large ice block tray can make up to 9.4 pounds of extra large ice at one time, saving the trouble of multiple zing, more flexible and efficient. It can be used alternately, replace large ice cubes faster, save waiting time, and provide continuous and uninterrupted demand for large ice cubes, and have a better use experience. 3.Bigger & Enduring Ice - We can make up to 9.4 lbs of extra large ice cubes at a time, which zes longer and doesn't melt as quickly than regular ice or ice in bags. Used in a cooler, it stays cold for over 7-8 hours. Can be used for you to cool beverages, chill food, and even make for cold process soap making and more, you deserve it!!!! 4.Thickened Silicone Material, More Enduring - Compared to other ice cube tray, we improved the design with thickened silicone material and reinforced design on the side, which is not easy to deform and increase the stability when filled with water. Reusable and easy to clean, to throw in the dishwasher for cleaning. 5. - It's very easy to use, just fill the silicone molds with water, leave some space at the top to allow for expansion, and place them in the zer for 24 hours. Once the ice cubes are completely frozen, take them out of the zer and let them sit for 5-10 minutes, the ice cubes will pop out easily and you will have perfectly large ice cubes.