The Sistema Soup Mugs feature easy grip handles and lids with open/close steam vents for splatter free microwave reheating. The Sistema Microwave soup mug is ideal for soup, stews, noodles and hot drinks at home or at the office. Heat contents in the microwave and then eat/drink straight from the mug. Open vent when heating. Designed and Made in New Zealand. Phthalate & BPA Free.