THE SISTEMA MICROWAVE STEAMER Small 1.4L Microwave Steamer Container Removable Steamer Tray- the middle stem stays cool to enable you to lift foods out when cooked 4 lifting tabs on each corner, so wherever the container stops in the microwave this can be safely lifted out. Vents on the bottom and top of the steamer tray to ensure foods are cooked evenly Locking steamer vent allows different amounts of steam to be released for different food types.