Borosilicate glass is more durable than the glass some leading manufacturers are currently using. It's mechanically stronger which means it's less likely to break when you drop it. The container is heavy duty.

This set of 4 nesting glass containers (with plastic lids) serves a double purpose of being storage and being baking dishes. They nest making them welcome even where space is at a premium. What we love most is that it is stack-able and saves precious ...  Read More

The lids attach strongly so the freshness is preserved. My one and only qualm seems to be the same as the the largest lid isn't so snug.

The lip at the top of the glass is great and really helps when you're carrying them with hot pads. Each piece has a lip that goes all around, making them easier to lift. I really love that this set nests so nicely, even with the lids on all the dishes...  Read More

They just sit in my cupboard, used very rarely. They are not worth the space they consume. Using ikea containers now, that are more expensive but seem much nicer.

Lids are plastic but inflexible, making it hard to get them onto the glass container. Once the lid is placed on, it takes two people to remove it. It is really inconvenient to remove these lids.