50pcs High-temperature Rubber Stoppers Assorted for Lab Sealing Plugs for Ports Tubes and Fish Tanks Versatile and

DescriptionThis Test Tube Stopper withstands heat conditions, making it ideal for experiments that require high-temperature environments. Whether you are conducting chemical reactions or heating substances, this rubber plug will provide sealing and prevent any leakage. Its construction long-lasting performance.Features-Color:White-Material:Rubber-Size:2.90X2.80X2.00cm/1.14X1.10X0.79in-Size:2.70X1.90X1.50cm/1.06X0.75X0.59in-Size:2.40X1.80X1.30cm/0.94X0.71X0.51in-Size:2.00X1.70X1.20cm/0.79X0.67X0.47in-Size:1.80X1.40X1.00cm/0.71X0.55X0.39inPackage Including50 x Rubber Stoppers(5 sizes)

• Withstands heat conditions for conducting experiments at high temperatures.
• Constructed with materials to long-lasting performance.
• Each pack contains abundant quantity, providing an ample supply for convenience.
• Available in versatile sizes, which is suitable for various test tubes and flasks.
• a and prevents any leakage, the shape enhances stability during experiments.