Topeak Modula Java Cage. Features: Adjustable height and diameter cage fits a wide range of tumblers and mugs (not included) Upper rubber strap secures 75-85mm diameter containers Base mounted adjuster knob fits 60-70mm containers Composite frame height is adjustable from 180-205mm Specifications: Mount: Frame Material: Plastic/Composite Application: Cup Holder, Fits Non-Standard Bottles Color: Black Weight: 120g