16 oz - EcoVessel(R) Aspen insulated stainless steel bottle has a 16 ounce capacity. The Aspen combines practical features with unparalleled style - keeps drinks cold for up to 80 hours and hot for up to 16 hours Ideal for any drink from cold water to hot coffee - even use it as a wine growler and keep your favorite vino fresh for hours. TriMax(R) Triple Insulation. Never sweats. For hot or cold drinks. . Cup holder friendly. 18/8 stainless steel - no plastic liner. BPA and phthalate free.