Freezer and microwave safe. Top-rack dishwasher safe. BPA free and food safe. Keep container upright. Avoid overfilling to lid level. Not suitable for use in ovens and grills. Set measures 10 L x 8 W x 5.25 H inches. Set includes 1 of each: 8-ounce, 18-ounce, 37-ounce, 63-ounce, 101-ounce, and 152-ounce containers with lids. Innovative space-saving design; access any size container or lid easily. Easy-find, color-coded nesting food storage container set with snap-together lids.