Work Series, Stainless Steel, Vacuum Bottle, Blue Hammertone With Stainless Steel & Black, TherMax Double Wall Insulation For Maximum Temperature Retention, Hot Or Cold, Tempered 18/8 Stainless Steel Body Is Dent Resistant & Rugged For Ulitmate Durability, Cool To Touch With Hot Liquids, Big 40 OZ Capacity Holds 25% More, Twist & Pour Stopper, Unbreakable Stainless Steel Cup Fits Most Auto Cup Holders.