This 5ml-1000ml Graduated Glass Serum Reagent Bottle is designed for laboratory storage, sample handling, reagent organization, and general lab use. The screw-mouth design helps provide a secure closure with compatible caps, while the graduated glass body allows convenient volume reference during routine laboratory work. Available in multiple capacity options from 5ml to 1000ml, it can meet different storage and preparation needs in school laboratories, research facilities, testing labs, and professional laboratory environments. The clear glass structure makes it easy to observe contents and liquid level, making this bottle a practical choice for organized lab storage and daily sample management.