Specification Brand : Windzerdong BulletPoint1 : Dumping curled lip: convenient for pouring the liquid in the beaker BulletPoint2 : Round cup bottom: the cup bottom is round and wide, can be placed smoothly, exquisitely BulletPoint3 : Material : Borosilicate Glass BulletPoint4 : Heat and Thermal Shock Resistant BulletPoint5 : For any issue after purchase, don't hesitate to send an email to us, we will deal with the problem positively Color : One Color ExternallyAssignedProductIdentifier : 7555731822160 ItemName : Windzerdong 20pcs 5ml minis Glass Beaker for Chemistry Laboratory Clear Scale Lab Measuring Cup Borosilicate Glass Heat Resistant Thickened Glass Lab Beakers ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : beakers Manufacturer : Windzerdong ModelNumber : Windzerdong NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : Windzerdong ProductDescription : 1.Dumping curled lip: convenient for pouring the liquid in the beaker. 2.Clear scale: clearly visible. 3.Round cup bottom: the cup bottom is round and wide, can be placed smoothly, exquisitely. 4.Material : Borosilicate Glass 5.Professional Lab Beakers 6.Heat and Thermal Shock Resistant.