
We routinely use round bottom flask in our lab and I found these RB flask to be of very good quality. It feels sturdy and does not break very easily.Thank you.

Graduated Erlenmeyer Glass Flask Set With Narrow Mouth - 500Ml Capacity
15 Review

3Pcs 500Ml CVNDKN Wash Bottles W/ Scale -16 Oz: Plastic Safety Lab Squeeze Bottle
13 Review

Get 24 Pack Of 4 Oz. Amber Boston Round Glass Bottles With Droppers From GBO GLASSBOTTLEOUTLET.COM
11 Review

Get Your All-Purpose Cleaning Solution With Bealee'S 24 Oz Plastic Spray Bottles - 2 Pack
16 Review