EXTRA LARGE ICE BLOCK MOLD - Extra large 7 lb ice blocks made at home in your freezer! Block ice lasts significantly longer than small cubed ice. Save money by making ice blocks at home! | MAKE LONGER LASTING ICE - The biggest benefit of using block ice in your cooler vs regular ice cubes is that an ice block will take significantly longer to melt. A 7 lb block of ice will not fit in your glass, but it will remain solid in your cooler for much longer than normal ice cubes. | EASY TO USE - Fill with cool water, leave ~½ inch space at the top to allow for thermal expansion, and place in your freezer for 24 hours. Once completely frozen, remove ice mold from the freezer and let sit for 5-10 minutes before removing the ice block from the mold. | EASY TO FILL AND MOVE - The reinforced sides prevent the flexible silicone from collapsing under the weight of the water and the top rim reinforcement allows you to lift and carry the filled ice block mold without causing the silicone to deform and spill. | EASY TO CLEAN AND REUSE - The Cold Guys Silicone Block Ice Mold can be hand washed and is also dishwasher safe and can be used over and over again. | PERFECT FOR THE BEACH, CAMPING, HUNTING, and FISHING TRIPS - Fill your cooler with block ice and keep your food and beverages cool longer! Ice block dimensions 9” x 5” x 4.5”. The ice block mold tapers slightly from top to bottom (slightly wider at the top of the mold and narrower at the bottom.