30oz 304 Stainless Tumbler Double Wall W/Screw On Flip Up Straw Lid from Bulldog Winch. Double Wall, Copper Plated Inner Wall, And Sealed Air (Vacuum) Chamber Between Walls for Excellent Inulating Properties. Keeps Drinks Colder or Hotter Longer!
Details:

• Silver
• Stainless Steel
• Premium Spill-proof Flip-up Straw Lid
• Tapered Lower Body to Fit Most Cup Holders