VSSL Rift Tumbler Lid Grey. Its spring-loaded sip lid opens easily with one hand and locks firmly in place while you drink. A silicone gasket creates a tight seal to prevent spills and a visual lock indicator ensures confident closure with every twist. Fully compatible with both the Rift Tumbler Collection as well as the Nest Mug its an easy upgrade to your favorite brewing companion or a spare lid for your Rift Tumbler. Specifications for VSSL Rift Tumbler Lid: Manufacturer: VSSL Color: Grey Package Contents: VSSL Rift Tumbler Lid VSSL B191027-000: Rift Tumbler Lid Grey