moonetto 100ml graduated round media/storage glass bottle with gl45 blue polypropylene screw cap (20 pack) moonetto · capacity of each bottle: 100 ml, permanent white enamel graduations from 20 ml to 80 ml, accurate scales <br> · borosilicate glass: thick, tough, high quality, low coefficients of thermal expansion, resistant to thermal shock, high chemical resistance in corrosive enviroments <br> · gl45 screw cap: blue gl45 screw cap, tight seal, drip-free, cap up to 140°c; autoclavable: bottle up to 120°c, reusable, enviromental friendly, transparent, easy labeling <br> · glass bottles fit for storage of media, biologicals and other liquid solutions for lab, experiment, chemistry, scientific studies and storage at home <br> · guarantee: all of our products are refundable, please contact us directly if you have any questions, not the amazon after sale services!