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