I love the rubber grip on the bottom of beakers so they do not slide on the surface as measuring cups do.Downsides:1) Each of them has a different measuring unit, so you have to look back and forth between them to see what Ml is what Oz is what Tps or what Tbs.2) Because bottom is GRIPPY inside and out, if you use anything other than liquid, it will get stuck at the bottom and will not easily be re