Tessco 6 Pieces Collapsible Shot Glasses Stainless Steel Collapsible Cup Reusable Portable Travel Folding Cup with Lid and Keychain for Camping Hiking Cycling (2.5 oz)Package Include: you will receive 6 pieces of collapsible cups, equipped with convenient keychains, measuring about 2. 5 oz 75 ml, sufficient to satisfy your daily use, replacing and sharing demands, suitable for drinking water, juice, wine and so on Convenient Foldable Design: the metal shot glasses are in collapsible design, can be folded and expended easily; The keychains can be clipped onto belts and backpacks easily, lightweight and compact, easy