With 5 foldable layers design Enough space for personal use Pocket-sized size, easy to carry Never leak and rust Perfect mugs for water, wine, tea and so on The best drinking helper if you go on or question in case of travel Specifications: Color: Silver Size: Small Size Material: Stainless Steel Capacity: Approx. 75ml Height: Approx. 55mm Hole Diameter: approx. 45mmCup bottom diameter: approx. 50mmNot only is it fun, but extremely practical, this foldable water cup is a must for the busy traveler that helps you take your medication and drink anywhere. Remove the top lid from the box, then pull the cup out to its full heightFasten it on a belt loop, backpack or jacketComes with a lobster clip for easy carryPackage Included: 1 x Stainless Steel Portable Travel MugNote: 1. Please allow 1-3cm differences due to manual measurement, thanks.2. please understand due to the light exposure or the monitor to the computer difference, so I can't guarantee that the pictures I real color is 100% the same.