Sea to Summit X-Shot Glass-Blue. It'smade from flexible collapsible food grade silicone and folds flatcreating a compact shot cup that fits in your pocket. Specifications for Sea to Summit 2.5oz X-Shot Glass: Manufacturer: Sea to Summit Application: Cooking Volume: 2.5 oz Bottle Diameter: 2.5 in Weight: 0.9 oz Capacity: 2.5 fl oz / 75 ml Features of Sea to Summit 2.5oz X-Shot Glass Flexible food grade silicone side walls that canwithstand temperatures up to 300F Collapses flat for compact packing Calibrated ridges act as a measuring cup Spill-resistant and easy to pour from BPA free Package Contents: Sea to Summit X-Shot Glass Sea to Summit X-Shot Glass-Green Sea to Summit X-Shot Glass-Red Sea to Summit X-Shot Glass-Blue