Specification Brand : Karter Scientific BulletPoint1 : Cork Stoppers: Size 11 (XXX Quality) BulletPoint2 : Top Diameter: 26.9mm BulletPoint3 : Middle Diameter: 23.5mm BulletPoint4 : Bottom Diameter: 21.0mm BulletPoint5 : Length: 31.8mm Color : Brown CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 0717186648505 ExternallyAssignedProductIdentifier2 : 717186648505 ExternallyAssignedProductIdentifier3 : 00762047807447 ItemName : Cork Stoppers, Size 11, XXX Quality, Karter Scientific 15A4 (Pack of 25) ItemPackageDimensions_Height : 18.3 centimeters ItemPackageDimensions_Length : 8.5 centimeters ItemPackageDimensions_Width : 10.9 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : science-lab-corks Manufacturer : Karter Scientific Material : Cork ModelNumber : 15A4 NumberOfBoxes : 1 NumberOfItems : 25 PackageLevel : unit PartNumber : 15A4 ProductDescription : These high quality cork stoppers are an economical alternative to rubber stoppers Safe for use with food or drink! These are real corks harvested from the the outer bark of an evergreen type of oak tree called the cork oak (species Quercus suber) that is native to the Mediterranean region. Cork is an impermeable buoyant material, the phellem layer of bark tissue that is harvested for commercial use primarily from Quercus suber, which is endemic to southwest Europe and northwest Africa. Cork is composed of suberin, a hydrophobic substance. ProductSiteLaunchDate : 2019-07-30T14:00:00.000Z Size : Size 11 Style : Pack of 25 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1