Features 100% plastic-free with stainless steel and silicone parts5 layers of thermal insulationKeeps drinks hot for up to 7 hoursKeeps drinks cold for up to 12 hours (longer with ice cubes)Leak-proof with the lid tightenedDishwasher safeTaint and odour freeCool-touch jarSpill barrier to control liquid flowIdeal to use with Dualit's Coffee Bags