Perform many small volume applications with safe and leakproof Thermo Scientific™ Nalgene™ HDPE Diagnostic Bottles with Closure. These bottles are ideal for use in test kits, sample storage and shipping of small volume, valuable reagents. Durable, uniform walls are resistant to splitting or puncturing. Nonsterile. Bottles come packed in rigid trays for easy handling. Include natural polypropylene (PP) caps for excellent chemical resistance. In order to ensure leakproof performance, use only cap provided.