Diamond RealSeal™ Square Plastic Laboratory Bottles from Globe Scientific meet the requirements of the most demanding applications. These new additions to the Diamond RealSeal offering expand the range with a selection of bottles that store and pack more efficently than standard round bottles. They are available in several material options.Like the rest of the Diamond RealSeal line, these new bottles are precision molded from virgin resins for consistent wall thickness and smooth interior and exterior surfaces. The bottles include leak-proof polypropylene caps that are engineered with an integrated seal ring for leak-proof closure.These square bottles store and pack efficiently to maximize space utilization. The wide mouths are perfect for sample collection and facilitate the rapid filling and emptying of solids, powders, and viscous liquids.· Reduce UV Light transmission to protect light sensitive contents during storage and transport· Comply with US Pharmacopeia requirements for maximum light transmission· Safe for freezer storage down to -100ºC· Resistant to most corrosives