Make more of your kitchen space. We've made glass storage compact. Every size stacks or nests neatly when empty, so you spend less time digging through a mountain of mismatched tubs and lids. The Good Housekeeping Institute put Glass Stack + Nest to the test, awarding it their official seal of approval and naming it an Official Pantry Partner. Here's what the experts at the GHI had to say: "A clever nesting design (unique for glass containers) with an airtight seal for freshness. Filled with water and shaken 'aggressively and vigorously' in the lab, no water seeped out."