Description This bottle cap is designed for laboratory and scientific use, featuring a threaded design for secure sealing. It serves as a reliable closure for reagent bottles, sample containers, and glassware. The cap ensures airtight sealing, preventing leaks and contamination, making it ideal for preserving sensitive materials. Features -Color:Multi -Material:Plastic -Size:3.70X2.00X2.00cm/1.45X0.79X0.79in -Note: GL14 thread; 10mm connector -With compatibility: designed to fit a wide range of reagent bottles, this thread cap ensures seamless integration into various laboratory setups, enhancing operational efficiency -Precision sealing: the advanced screw thread structure ensure a tight seal, preventing sample evaporation or contamination, ensuring the accuracy of experimental results -Versatile adapter: equipped with a compatible adapter, it allows effortless transitions between different bottle mouth standards, simplifying laboratory workflows -Convenient design: the ergonomic bottle cap enables quick opening and closing, improving the convenience and speed of laboratory operations -Durable and longlasting: built to withstand chemical exposure, this cap is ideal for long term storage of reagents and other laboratory chemicalsPackage list: 5 x laboratory bottle caps