SI drinkware is made from durable 304 Stainless Steel, double walled and sealed for maximum heat and cold retention.

• 304 Stainless Steel
• Double Wall W/Copper Plated Inner Wall For Excellent Insulation
• Vacuum Sealed Chamber Between Walls For Excellent Insulating
• Keeps Drinks Colder Or Hotter Longer
• Dishwasher Safe
• Plastic Lid With Finger Hold For Easy Carrying
• Threaded Closure With Seal