Bel-Art Write-On 1000ml (32oz) Polyethylene Bottles; Polypropylene Cap, 53mm Closure (Pack of 6) (F10662-1000) Wide mouth lab bottle for filling ease, and used for liquid and sample storage HDPE body for transparency and low-temperature, impact, and moisture resistance Cylindrical shape for a wide variety of applications that require solution containment Screw-on polypropylene cap secures contents to help prevent spills and evaporation Marking areas to label for security and accountability