Crafted from sturdy stainless steel, these test tube caps deliver a sleek, silver appearance combined with high durability. Ideal for laboratory experiments, they protect test tube contents from damage. Their reliable design makes them an essential accessory for maintaining sample integrity in professional or educational settings. Features -Color:Silver -Material:Stainless steel -Size:3.50X2.00X2.00cm/1.38X0.79X0.79in -Note:random pattern -Sturdy Material: Constructed from stainless steel, these tube caps offer impressive wear resistance and longterm durability for consistent laboratory performance -Simple Yet Functional Design: The straightforward design focuses on practicality, ensuring a tight fit and reliable seal that secures test tubes during various experimental procedures -Enhanced Stability: manufacturing techniques enhance the product structural stability and reliability, making it suitable for demanding lab environments -User-Friendly Installation: Designed for effortless application and removal, these caps improve workflow efficiency without compromising the safety of the test samples -Versatile Laboratory Use: Ideal for a broad range of lab applications, these caps maintain containment integrity, protect against wear, and withstand frequent handling Package list: 5 tube stainless steel caps