The OXO SoftWorks No-Spill Ice Cube Tray uses air pressure and surface tension to help you keep cool with less mess. An innovative blue silicone lid seals water into the Tray for spill-free transporting and freezing, even at an angle! Simply fill the Tray and press the lid down to seal. The comfortable handle offers a secure grip while filling and carrying. The lid allows for stacking multiple Trays and also blocks unwanted freezer odors. Top-rack dishwasher safe. Gender: unisex.