Steeltainer Leak-proof Stainless Steel Compact Size Container (White) Reusable, durable and leak-proof. Non-toxic, BPA and Phthalate free. Great for snacks 100% recyclable. Interior Material: Food grade #304 stainless steel. Outside Material: Durable polypropylene (#5) shell. Silicon seal prevents leaks. Easy clip on see-through lid. Freezer and top rack dishwasher safe. Not suitable for use in microwaves or ovens. Capacity: 320 ml or 11 ounces. Dimensions: 135 x 110 x 40 mm (5.3 x 4.3 x 1.6 inches).