Come and see our amazing products! This 21oz travel bottle is made of 304 stainless steel, which can effectively keep warm and cool for a long time. this vacuum flask keeps drinks hot for 8hrs and cold for 16hrs. We provide you with different lids and size to meet your diverse needs. Complies with CE, FCC, Prop 65, support customization Your logo. RoHS. 9 7/8" H x 2 3/4" Diameter. Pls confirm further with us if any query about packing info, inventory status and time schedule.