LQZ Portable Stainless Steel Collapsible Cup Made of Stainless Steel Material, Fits in the Palm of your Hand,Slips into your Pocket or Purse. Suitable for Camping,Hiking,Fishing,Mountaineering and Other Outdoor Activities and Concerts With a Key Ring,Occupies Little Space in Your Travel Bag Measures 2.5-inch in Diameter and 1-inch High when Collapsed