VSSL Rift Tumbler 16oz Rusty Buckets. The VaultLoc twist-lock leakproof lid delivers peace of mind with every sip while the articulated base design offers a secure ergonomic grip. A slip-resistant silicone bumper protects surfaces and keeps the tumbler steady on the move. Constructed from durable recycled stainless steel with double-wall vacuum insulation Rift locks in heat or cold for hours giving you reliable performance in a larger size. Dishwasher safe and BPA-free. Package Contents: VSSL Rift 16oz Tumbler VSSL B190601-016: Rift Tumbler 16oz Rusty Buckets