Made to stack together and featuring our signature push-button airtight seal, they are carefully calibrated to keep everyday household staples like flour, sugar, coffee, cereal, oatmeal, coffee, grains, pasta, and spices fresh and close at hand. With curved corners for smooth dispensing, handy fill lines and durable, BPA-free construction, POP Containers help you take tidying to the next level. Use them anywhere you crave organization - the possibilities are endless. For best results, always use the button to open and close. Do not carry POP containers by the lid. Accessories sold separately.