Ronyes Lifescience is a brand dedicated to providing youwith all kinds of Industrial & Scientific products for your various labtestings, experiments, etc. If you received broken items, please let us knowfor full refund or replacement. Thank you! Packaging with foam 5 piece economyborosilicate glass beaker set. Contains 1 each 50ml 100ml 250ml 400ml & 600mlbeakers. Read more With graduation to read the approximate contents andlabeling area Perfect for beginners or professional use. Read more Minimalthermal expansion, giving relatively high resistance to temperature changesHigh temperature resistance. Perfect chemical resistance, good thermalstability Heavy duty reusable.,will not easily shatter Read more Yoursatisfaction is always our top priority. Anything we can help, please let usknow freely. Read more