YOUTILITY bottles, designed to facilitate laboratory work. Their more ergonomic grip design and inverted cone-shaped cap allow for easier and safer handling. Additionally, they are complemented by a range of accessories for labeling the chemical product or culture medium inside, using colored rings and self-adhesive labels. Made from DURAN® 3.3 borosilicate glass, they are available in sizes from 125 mL to 1 L, in both clear and amber glass.