- Engineering Grade Plastic/ Rubber
- Adjustment knob allow the cage to accept bottles with different diameters
- Cage length can be set up to fit a standard 12 oz. or 16 oz. Starbucks coffee tumbler sizes
- Fits 12 oz. and 16 oz. Starbucks style tumblers
- Fits height 175 – 240 mm, lower diameter 60 – 78 mm and upper diameter 75 – 90 mm).