These general-purpose media bottles feature permanent white, imprinted graduations and marking spots. Borosilicate glass bottles; Linerless polypropylene cap; Drip-free polypropylene ring; Dimensions: 94mm OD x 139mm Hgt. Graduation range: 100mL to 500mL; Autoclavable to 140°C (284°F) Maximum bottle temperature: 450°C (842°F)