Easy Lock Airtight Seal Container BPA Free Guaranty (2.3 Liter, Transparent ) Flip Ring up to open, Flip Ring down to lock and seal It can be washed in the dishwasher, Easily stackable. It can put the refrigerator. Shatterproof and BPA Free, easy for storage on countertops or in cabinets Airtight dry storage system, Silicone gasket is dishwasher safe, hand wash other parts Also great for flour, rice, pet food, laundry detergent and more! Lid is interchangeable between all two sizes