Description Specification: Material Stainless Steel PP Color Matte Black, Dark Blue, Luxury Gold, Ecru Color, Purple Capacity M: 650MLL: 900ML Thermal Insulation Performance 6-12 hours 650ml Size 23.5 x 8cm/9.25 x 3.15inch Weight 650ml: 400g950ml: 490g Features:With insulated design: Long time to keep your water or coffee warm and leak-proof.Made of high quality food grade stainless steel, liner is treated by electrolysis, easy to clean, anti fouling. Package included:1 x Vacuum Thermos Cup