Thermos Funtainer 10 Ounce Food Jar, Ni Hao Kai-Lan TherMax double wall vacuum insulation for maximum temperature retention, hot or cold Unbreakable stainless steel interior and exterior, made from BPA free materials Cool to the touch with hot foods Keeps contents cold for 7 hours, keeps hot for 5 hours 10 ounce capacity; Weighs 11 ounces