Superlock microwave steamers feature Microban technology, inhibiting bacteria for hygienic food preparation. The container is temperature-resistant from -20 to 140 degrees Celsius, allowing you to steam food quickly and easily, preserving its nutritional value. - Name: SUPER LOCK Microwave Steamer - Brand: SUPER LOCK - Unit Amount: 1 unit(s) BPA Free (free from carcinogens) Durable even in hot and cold temperatures from -20 to 140 degrees Celsius Microwave safe How to Preserve: Clean before storing.