<div dir="ltr"><div class="gmail_extra">Grainger has lots of bottles.  The site lets you search by diameter, but they can be expensive.</div><div class="gmail_extra"><br></div><div class="gmail_extra">These are 60mm:</div><div class="gmail_extra"><a href="https://www.grainger.com/product/QORPAK-8-oz-Bottle-20F872?opr=APPD&pbi=41U163">https://www.grainger.com/product/QORPAK-8-oz-Bottle-20F872?opr=APPD&pbi=41U163</a><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">Here's a 108-pack of another bottle, also 60mm:</div><div class="gmail_extra"><a href="https://www.grainger.com/product/WHEATON-8-oz-Bottle-46Z265?functionCode=P2IDP2PCP">https://www.grainger.com/product/WHEATON-8-oz-Bottle-46Z265?functionCode=P2IDP2PCP</a><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">Finally, you can also buy 300-packs of pee collection jars if you are into storing tiny little bottles of pee everywhere:</div><div class="gmail_extra"><a href="https://www.grainger.com/product/SKILCRAFT-120mL-Specimen-Container-34CT42?functionCode=P2IDP2PCP">https://www.grainger.com/product/SKILCRAFT-120mL-Specimen-Container-34CT42?functionCode=P2IDP2PCP</a><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">Cheers,</div><div class="gmail_extra"><br></div><div class="gmail_extra">-B</div></div>