This Stainless Lunch Jar contains four microwaveable inner bowls, a pair of chopstick and an easycarry bag. The outer container features durable stainless steel construction and vacuum insulation with excellent heat retention. 4 microwaveable inner bowls Washable nonstick coated outer container Includes chopstick with cover and easy to carry bag Made of BPAfree plastic and stainless steel Size (width x depth x height) 15cm x 13.5cm x 22cm Pouch Size (width x depth x height) 15.0cm x 15.0cm x 22.0cm Heat retention 67C 6hrs Capacity Rice 0.45L, Food 0.3L, 0.2L, Soup 0.28L Vaccum insulated lunch boxA vacuum bottle, also known as a thermos bottle or vacuum flask, is a type of insulated bottle or flask that uses vacuum between its walls to keep hot liquids hot and cold liquids cold. These premium vacuum insulated water bottles which are also thermal water bottles exemplifies ease, affluence and style usingits advanced technologies