It combines the renowned durability of borosilicate glass 3.3 with an external Protect+ polyamide 12 (PA12) plastic coating, enhancing safety by reducing the risks associated with broken glass and liquid spills. This clear, graduated bottle features a GL 25 thread and includes a push-on dust cap to maintain cleanliness during storage and transport. The plastic coating not only offers scratch, leak, and splinter protection but also provides an improved grip for safer handling. Ideal for laboratory applications requiring the secure storage and transport of valuable or hazardous substances.