Lifestyle Block Stainless Steel Tiffin Style 4-Layer Round Stacking Lunch Box 100% High quality stainless steel is a completely safe plastic free alternative. Free of BPA, BPS, Lead, toxins, and harmful Phthalates. 100% High quality stainless steel is a completely safe plastic free alternative. Round four level stackable lunchbox is perfect for keeping foods separate. Stacked container measures 5.25" across and approximately 6 3/4" high. 4-Layer style Includes a convenient handle for carrying Easy to clean and dishwasher safe. Will not retain or impart colors, stains, odors, or flavors.