Product Features\r\n\r\n Silicone ice cube trays are made of food-grade silicone, BPA safe, dishwasher safe. Prismatic grid, make quick freezing and fast chilling, taking up less time freezing into ice cube and chilling your drink. It will be a fantastic partner with your nice drink! Just enjoy the cool summer with ice cube!\r\n\r\n\r\nSpecifications:\r\n Material: Food-grade silicone\r\n Color: Blue\r\n Tray Size: 8.1\" x 4.7\"x 0.9\"\r\n Ice Size: 0.87\" x 0.47\"\r\n\r\n\r\nWarm Tips:\r\n\r\n The water level should be lower 3-4 mm in case the ice expands and sticks together.\r\n Wait 2 minutes after taking out the trays from the fridge for easy pop out of ice cubes.\r\n Since the silicone material will absorb the odor after a long time use, just wash it with boiling water to remove it.