Specification AgeRangeDescription : Adult Brand : Windzerdong BulletPoint1 : Capacity:50ml BulletPoint2 : joint:24/29 BulletPoint3 : Made From Borosilicate Glass BulletPoint4 : Classification:Reaction tube 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 : 7555732083904 ItemName : Windzerdong Reaction Tube with Glass Valve and Standard gr Mouth,Capacity 50ml and Joint 24/29,High Borosilicate Glass ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-reaction-kettle-flasks Manufacturer : Windzerdong ModelName : Windzerdong ModelNumber : Windzerdong NumberOfItems : 1 PartNumber : Windzerdong ProductDescription : Reaction tube with glass valve and standard ground mouth,Capacity 50ml and joint 24/29,High borosilicate glass