From morning to midnight, the Kambukka double wall food jar keeps your food fresher than fresh. This jar makes sure your hot meal stays hot for up to 6 hours. 100% leak proof and has an air vent to let off steam and avoid pressure build-up.What’s not to love about this sustainable way of packing lunch? The lid of our food jar features a vent that allows you to let off steam and reduce pressure. This make it easier to open the jar when you take hot foods on your adventures. Dimensions: 10cm x 10cm Kambukka is a Belgian premium brand that designs trendy drinking solutions for people on the go.