Stainless steel outdoor portable thermos cup $ 10.95 Product information: Material: 304 stainless steel/food grade PP/rubber Capacity: 500ML/60OML /900ML/1100ML 24-hour heat preservation and cold preservation Portable nylon rope Vacuum insulation 360 upside down without leakage Insulation performance: 6-12 hours Style: Modern and simple Style: big tripe Package specification: independent package