New Gen Crystalwave Soup Mug    Quantity: 2 Color: Clear Volumn: 460ml Press middle of vent to open before placing into microwave. To close， press side of vent.  Keep vent closed to keep food warm.    Reheating Instructions Pop open vent cap before placing in microwave.  Do not close vent cap immediately after reheating. If reheating takes more than 3 minutes， stop occasionally to remove seal and stir for even reheating.   Use and care Not intended for cooking， but to reheat previously cooked food to desired serving temperatures. When dividing into portions， remember fill-line indicates maximum capacity.