Dark Stained Glass Tumbler 20oz Size:20oz Non-reflective black back prevents the

Non-reflective black back prevents the copper finish from being visible through translucent and transparent glass

: Glossy finish

Since it has a higher melting point

Can be oil filled to help lubricate the carbide steel cutting head

these bags feature double-stitched seams

Dark Stained Glass Tumbler 20oz Size:20oz Non-reflective black back prevents theThis 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