This is a Glasslock Shaker bottle. It is made of tempered, BPA-free glass and has a capacity of 450 ml (approximately 15.2 oz), with measurement markings up to 300 ml (10 oz). The bottle features a clear or colored plastic lid with snap locks and an airtight silicone seal to prevent leaks.  This versatile shaker is suitable for mixing various cold liquids like beverages, protein shakes, or salad dressings. It is freezer and refrigerator safe and can typically be cleaned in the dishwasher.