Specification Brand : Windzerdong BulletPoint1 : Joint: 34/35 BulletPoint2 : Material: Made From Borosilicate Glass BulletPoint3 : Classification: Glass stopper BulletPoint4 : For any issue after purchase, don't hesitate to send an email to us, we will deal with the problem positively BulletPoint5 : The silicone rubber cone plug set is easy to use and packed in plastic boxes. It is divided according to different sizes, which makes it easier to use and store. Color : One Color ExternallyAssignedProductIdentifier : 7635732211856 FitType : Universal ItemDisplayDimensions_Length : 3.82 inches ItemDisplayWeight : 0.17 pounds ItemName : Windzerdong Transparent/Brown Glass Stopper,Glass Hollow Plug,Joint 34/35,Grinding Ball Plug,Hollow Plunger(Brown) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-rubber-stoppers ItemVolume : 1 cubic_centimeters Manufacturer : Windzerdong Material : Silicone ModelName : Bearings & Seals ModelNumber : Windzerdong NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : Windzerdong ProductDescription : Transparent / brown glass stopper,Glass hollow plug,Joint 34/35,Grinding ball plug,Hollow plunger