... PP, Three pour spouts, Disposable, 25 Pieces/sleeve, 100pieces/case - Tri-Cornered Beakers- 6 different volumes ranging from 50ml to 1 ... graduations- More durable than glass,DisposableISO and CE Certified.Biologix Tri-Corner Beaker. Catalog #DescriptionUnit93-005050ml, Graduated25 Pieces/sleeve, 100 Pieces ... /sleeve, 100 Pieces/caseCE certificate is available from Biologix now! Tri-Cornered Beakers