Store and ship small volume, valuable reagents with Thermo Scientific™ Nalgene™ Natural HDPE Diagnostic Bottles without Closure, for use in test kits and small-volume applications. These high-density polyethylene bottles are packed without closures so they can be matched with various colored closures (Cat. No. 362150). With uniform walls resistant to splitting or puncturing, these high density polyethylene bottles are leakproof† when assembled with Nalgene closures (ordered separately).