These are great! I've owned them for a couple years, no issues. I'm not sure what those 1 star reviews are doing with theirs, but they're not fragile. I can only assume they aren't using them properly or have received a defective item. The person who had one break in the oven it sounds like they put cold food in a hot oven which will crack the glass. I never understood people giving 1 star for an item arriving broken. However Sam's will replace if they arrive broken. I've used these in my Breville oven, the microwave and I put them in the dishwasher. I do take the rubber cover off for oven an dishwasher. Highly recommend and have given as gifts everyone loved them and actually bought more.

Trying to swap to glass containers and everyone seems to really like these. I am so impressed and so glad I ordered, these are really nice. They are heavy enough to stand being in a lunch tote/bag and the silicone sleeve is great, but easy to use. I love the fact you can place the container (with silicone sleeve on) and lid in the dishwasher. I would highly recommend these!

Glass are very thin, my order came broken( the middle glass).

Nice set but the covers are very hard to snap on!

No matter how hard I try, I can't get all four snaps to lock.

Love the color coded lids! We always had trouble matching our lids to the dishes & this makes it quick & easy.

Very good deal! I love the silicone covers. And snap on tops. Keeps it safe from chipping. Very pleased with my purchase

Wonderful glass containers. Great variety of sizes and very well made. I definitely recommend these.

I was excited to get these but after taking forever to arrive 2 of them came broken in the box and the largest lid is scratched up. Very disappointed will have to return

Only had this set for 3 days. 2 containers have already cracked. One I used in the microwave for 1 min for oatmeal and the other for 2 minutes in the microwave to reheat some veggies. Not impressed at all with these glass dishes!