Specification Brand : CryoKing BulletPoint1 : [Material] Caps are made of polypropylene; Can be repeatedly frozen and thawed. BulletPoint2 : [Working Temperature] These screw caps are autoclavable to 121°C and freezable to -86°C. BulletPoint3 : [What You Get] Universal screw threads for use; Caps only, tubes will be sold separately. BulletPoint4 : [Package] 500 /Bag/Pack,10 Packs/Case, 5000 /Case. BulletPoint5 : [Excellent Customer Service] We are dedicated in providing the best products and services to customers. If you have any problem, please feel free to contact us. We will help you solve the problem as soon as possible. Color : Brown ItemName : Biologix Brown Caps for Screw Cap Microtubes (O-Ring), Case of 5,000 ItemPackageDimensions_Height : 8.66 inches ItemPackageDimensions_Length : 23.03 inches ItemPackageDimensions_Width : 11.42 inches ItemTypeKeyword : science-lab-cap-plugs Manufacturer : BIOLOGIX NumberOfItems : 5000 PartNumber : 81-0006 ProductDescription : Made of polypropylene Can be repeatedly frozen and thawed Universal screw threads for use Autoclavable to 121°C and freezable to -86°C ProductSiteLaunchDate : 2024-04-07T08:58:31.608Z