VSSL Rift Tumbler Stone 10oz. The VaultLoc 100percent leakproof lid delivers spill-free confidence while the articulated base design provides a comfortable ergonomic grip. A slip-resistant silicone bumper keeps the tumbler steady and protects surfaces from scratches. With durable recycled stainless steel construction and double-wall vacuum insulation Rift keeps drinks hot or cold for hours in a size that fits easily in hand and in cupholders. Dishwasher safe and BPA-free. Specifications for VSSL Rift 10oz Tumbler: Manufacturer: VSSL Volume: 10 oz Package Contents: VSSL Rift 10oz Tumbler VSSL B189029-010: Rift Tumbler Stone 10oz