I have had Lock&Lock ones, of almost exactly the same design, for about 10 years and they're only recently starting become significantly chipped, but I had an I

I have had Lock&Lock ones, of almost exactly the same design, for about 10 years and they're only recently starting become significantly chipped, but I had an IKEA one get a small chip within months. Maybe it's how I stack then without lids (physically don't have cupboard space to store with lids on).