Cap liner included to provide a tight seal and prevent sample leakage Two sizes available to suit different volumes and storage needs Amber glass bottles with clear graduations for easy, accurate measurement Supplied in abundant quantity to support bulk experiments and long term research projects Key attributes Material: amber glass for light protection Function: storage and measurement with a reliable cap seal Size: two available options Readability: clear graduation marks for precise dosing Applications Prepare and store aliquots of reagents in chemistry or biology labs, using the cap liner to prevent leaks during handling Archive lightsensitive samples while tracking volumes with easytoread graduations Support bulk experiments or extended research projects that require many smallvolume vials and repeated access to samples Use scenarios Daily aliquoting and storage of standard solutions for routine assays Temporary storage of lightsensitive samples during preparation and transport Bulk provisioning for multiuser labs, teaching labs, or largescale screening workflows