
Tupperware Cristalwave, approx. 2 L. The Cristalwave line allows heating food with the lid on, preserving its flavor. It features steam-release technology through a valve on the lid, preventing damage to the product during heating. It has a translucent base for viewing contents. Place in the microwave with the valve open for steam release. The lid features a tab for easy opening. The lid is airtight and leak-proof, preventing liquid leakage and air entry. New, never used.
