SPECS: Construction: Flexible food grade silicone walls with nylon 66 base & polypropylene lid Capacity: 20 fl oz. / 600ml Depth: 2" / 5cm Diameter: 6.25" / 16cm Weight: 5.1 oz. / 145g FEATURES: Made for keeping your favorite foods protected from smashing on the trail Collapsible design for minimizing space used while not in use Threaded lids with quick close design protect from spills & leaks Measurement markings imprinted on the inside Dishwasher & microwave safe (lid must be removed before microwaving) Food grade silicone construction BPA free