MiiR Vacuum Insulated Customized 16 Oz Tumblers, Black Powder color_Port Authority_L662 A highly water resistant bottom boot Dimensions inches 12 A highly water resistant bottom boot keeps your gear dry when you need to set it down Find a color that calls to you – these bottles are available in stainless steel prevents splashes this tumbler will keep your drink hot or cold longer Thermo 3D™ Double Wall Vacuum Insulation Technology Keeps your drink hot up to 12 hours and cold for up to 24 hours This tumbler won't sweat or be hot to touch no matter the temperature of your drink 18 8 medical grade stainless steel doesn't transfer flavor or leave you with a metal aftertaste in your mouth Hardshell™ Powder coat has great color and prevents peeling BPA free The presson lid makes for easing sipping