PELD. With coloured PP screw cap and PELD control dispensing tip. Reagent identification is made easy with the coloured closures. Closures are red, green blue, white and yellow. The flexible, contact-clear bottle permits easy content identification and fluid fill volumes. Excellent chemical resistance; materials are suitable for most biotech, diagnostics and pharmaceutical applications. Available in three convenient sizes. Dropper control tip snaps into place for a secure fit. Drops are dispensed one at a time. Leakproof.