Each piece of the OXO Steel 3-Piece Glass POP Container Set has a sleek, stainless steel lid and a strong borosilicate glass canister, making it a smart choice for modern kitchens. Push the button on the lid to create an airtight seal; press it again to pop it up for easy opening. POP Containers keep dry foods fresh and counters organized, and they’re perfectly calibrated for storing everyday staples like flour, sugar, coffee, cereal, oatmeal, grains and spices. POP Containers aren’t just for kitchens: Use them anywhere you crave a little more organization. Handy POP accessories attach to the underside of lids to make the most of your Containers, and the Containers nest together neatly for compact storage. Accessories sold separately.