This set is called the smart essentials and the name says it all as far as I am concerned. They are great. They are non-pourous so they don't soak up odor, clean easily and stay new looking. Performance These bowls are quality all of the way. They stay new looking, don't scratch easily, I even use the mixer in them. but the part that really sets them apart from other brands is the beautiful bright lids. They fit tight for no leaking or spilled foods. Can be placed in the freezer and they can be placed on the top shelf of the dishwasher. Ease of Cleaning Dishwasher safe and they look so clean and nice when placed in the dishwasher. I do put the lids on the top shelf. Durability These glass mixing bowls are quality and I like that they are made in the USA. In my opinion they are more suited for serving than for mixing however I have used them to make the batter for French toast. They store inside one another and take up less space than my wild plastic that seemed to be all over the place and I could never find the bowls/lids at the same time. Design These bowls have a clean sleek look and the colorful lids are perfect if taking a casserole, or veggie dish somewhere. Layered salads as well as other foods look so pretty that they just seem to taste better. Doesn't Stick I have used these in the oven and microwave and have never had a problem with sticking but if I am concerned I would just use a little cooking spray.