Basil ThermoTot Blueberry is a vacuum-insulated stainless steel food jar with a 320 ml capacity, built from 304 stainless steel, vacuum insulated, with food-grade silicone seal, with a carry handle and a matching spork included. It keeps warm meals like khichdi, pasta, porridge or soup hot (or cold) for 4-6 hours, with a wide mouth for easy filling, eating and cleaning. Food-safe, BPA-free, FDA approved, hand-wash recommended, backed by Basil's 6-month warranty.