EASY TO USE - Made of high quality durable silicone. Can be easily pushed or twisted from the bottom to remove ice cubes for an easy release. Try not add more than 3 or 4 the size of the ice cube tray, it can help you easily to remove the ice cubes from the tray.PERFECT SIZE Each tray contains 6 ice cubes, the size of each cube is 1.9 inch. Perfect to chill cocktails, whiskey, tequila, vodka or other drinks with less dilution.FOOD GRADE SILICONE and BPA FREE - silicone ice cube trays are 100 percent safe and FDA approved. Prefect for freezing liquids like fruit juice, iced coffee , popsicle , soup, or baby food. Dishwasher safe and easy to clean off.STACKABLE with NO SPILL SILICONE LIDS - Our ice cube trays can make perfect ice cubes easy, the trays come with removable hard silicone lids for easy stacking. Keep the ice cube fresh longer. It also help prevent spills, evaporation, or over-freezing, or contamination.Product DescriptionProduct detail:x Material: Food grade siliconex ColorBlackx Size: 6.5 x 4.5 x 2 in.x Each ice cube: 1.9 x 1.9 x 1.9 in.x Package list: 4 x Ice moldHow to make the shape of the ice cubes look perfect 1. Pour your favorite liquid in it.2. Press the edge of the ice cube tray to let excess water out.3. Freeze for a few hours or overnight.Warm TipsSilicone ice cube tray may have some odor left by the molding process, you could use following method to remove smell.1. Put the ice cube tray in boiling water for 5 minutes before using it for the first time.2. Clean the product with cleanser, and then dip it into hot water for 2 hours. 4 Pack Silicone Ice Cube Trays with Lid Food Grade BPA Free Silicone Large Square Ice Cube Molds for Whiskey, Cocktails, Easy Release Flexible