Bel-Art F10621-0007 Precisionware Narrow-Mouth Low-Density Polyethylene Bottles; 500ml (16oz)， Polypropylene Cap， 28mm Closure (Pack of 12)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Narrow-mouth lab bottle for substance control and containment</li><li>LDPE body for flexibility， elasticity， and impact， stress-cracking， and moisture resistance， and is lightweight</li><li>Cylindrical shape for a wide variety of applications that require solution containment</li><li>Screw-on polypropylene cap secures contents to help prevent spills and evaporation</li></ul></div><img src="http://ecx.images-amazon.com/images/I/21ag2IRpT1L.jpg" noproxy>