With 5 foldable layers Enough space for personal use Pocket-sized size, easy to carry Never leak and rust Perfect cups for water, wine, tea and so on Best drinking helper if you go out or go on a trip Specifications: Color: Silver Size: small size Material: stainless steel Capacity: Approx. 75ml Height: Approx. 55mm Mouth Diameter: Approx. 45mm Cup Bottom Diameter: approx. 50mmNot only is it fun, but extremely practical, this foldable water cup is a must for the busy traveler who helps you take your medication and drink anywhere. Remove the top lid from the box, then extend the mug to its full heightClip it to your belt loop, backpack or jacketComes with a lobster clip for easy to 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 and the actual colors are 100% the same.