500pcs 10ml Vials Glass Clear Bottom Headspace Vial Flip Off Caps Rubber Stopper
Cap Type : Crimp Top, Headspace. A 20mm vial crimper(Not Provided) is required to fully seal the aluminum cap. High-Quality Materials: These sample vials are made of quality borosilicate glass that is more resistant to thermal shock (Temperature range: -4℉ to 932℉).

