Sample, store and ship small volume, valuable reagents using Thermo Scientific™ Nalgene™ Clear PETG Diagnostic Bottles with Closure. These sample bottles are ideal for use in test kits and in many sterile, small-volume applications. These polyethylene terephthalate (PETG) plastic bottles offer excellent clarity for viewing the contents inside. Bottles are non-pyrogenic, non-cytotoxic and include lined, white HDPE leakproof caps. To ensure leakproof performance, use only the cap provided.