PYREX® Assortment Pack of Griffin Low Form Beakers, Double Scale, Graduated A convenience pack of PYREX® beakers contains one of each of the most popular sizes. Designed for the low volume user, a case contains one of each: 50 mL, 100 mL, 250 mL, 600 mL and 1L. Packaged in a partitioned carton for safe transit and storage. LOW FORM BEAKER: This Griffin borosilicate glass beaker with pouring spout is ideal as chemistry glassware for labs, schools, home and STEM activities. SAFE & DURABLE: Offering superior heat, chemical and thermal shock resistance, the flat base beaker measuring cup’s glass delivers premium strength and will not shatter easily. CLEAR METRIC MARKINGS: Graduated metric scales in white make it easy to measure liquids and approximate contents, and the glass beaker has a large labelling area. EASY TO CLEAN: The reusable glass measuring beakers are easy to clean and can be sterilized safely in autoclaves at 121°C, making them ideal for repeated use in busy lab environments.