SKATER warm cold lunch jar 540ml ultra-light type LDNC6 (Totoro) Size: diameter 11.4  height 13.8cm / weight: 430 g Material Material: Body = stainless steel lid + medium pig + medium container + medium container lid = polypropylene in a container packing = silicon resin bottom plate = elastomer resin Capacity: body = 320ml container = 220ml Heat insulation effect: 52 degrees or more: about 6 hours / resistance to thermal temperature: about -20 degrees to 140 degrees Country of origin: China