Where Taylor Swift’s lyricism meets the world of forensic science! This design features two items of evidence adorned with the compelling lyric: “She needed cold hard proof, so I gave her some. She had the envelope, where you think she got it from?”

This tumbler is an excellent choice for daily use to keep 20oz of your favorite beverages hot or cold thanks to the double-wall insulation. Meanwhile, the stainless steel construction provides excellent durability and it’s dishwasher safe for added convenience.

.: Materials: stainless steel (body), plastic and rubber (lid)
.: One size: 20oz (0.59 l)
.: Rounded corners
.: Vacuum insulated steel body with a clear push on lid with a rubber gasket (no lid cap)
.: Glossy finish

Join the ranks of those who wear their dedication with pride. Order your evidence-inspired tumbler today and let the world know that, in the realm of forensic science, proof is not just a concept—it’s a tangible envelope.