These 6 oz Drosophila Bottles are designed to support fruit fly (Drosophila) cultures in laboratories research facilities and educational environments This grouped product page offers a selection of bottles made from either polypropylene (PP) or polyethylene (PE) providing flexibility to meet various research needs Each bottle type is specifically engineered for durability chemical resistance and ease of handling Material Options Choose between polypropylene known for its autoclavability and high-temperature resistance or polyethylene which offers excellent flexibility and impact resistance Bottom Design Available in both square-bottom and round-bottom configurations allowing users to select the most suitable option for their experimental setup The square-bottom design provides enhanced stability and efficient stacking while the round-bottom design facilitates easy swirling and mixing of contents Versatile Closure Compatibility The bottle openings are designed to accept standard