Silicone lid seals water into tray before freezing. Sealed lid allows for stacking and angled storage in freezer. Comfortable handle for a firm grip while filling or carrying. Innovative rounded ice cube shape releases cubes easily. Keeps ice cubes from absorbing freezer odours. Silicone lid is removable for easy cleaning.Dishwasher safe. 15.5 x 5.7 x 1″H / 39 x 14.5 x 2.5cm H, plastic with silicone lid, BPA free.