1.100% ecofriendly silicone raw material ,soft feeling ,durable ,heat-resisting and cold-resisting. 2.It can used in the refrigerator,freezer,microwave and oven. 3.Lofo:Embossed logo, debossed logo, silk-screen print. 4.Heat resitant up to 230F and down to -40F. 5.Easy storage and easy release, dishwasher safe for convenient and thorough cleaning. 6.High quality , approved by FDA,LFGB. 7.Flavor resistant, won't transfer flavor between food or leave a metallic smell on you.