OtterBox Elevation Sleeve 20 oz Grey. Installs easily. Fits the Elevation 20 stainless steel tumbler only not compatible with the colored tumblers. Specifications for OtterBox Elevation Sleeve: Manufacturer: OtterBox Container Volume: 20 oz Features of OtterBox Elevation Sleeve: Adds a comfortable grip surface Installs easily Not compatible with colored tumblers Package Contents: OtterBox Elevation Sleeve OtterBox 78-51283: Elevation Sleeve 20 oz Grey