Seals tight so you don’t need to worry about leaks and the wide mouth makes it easy to clean. Weight: 1.4 lb. Dimensions: 4L x 4W x 8.7H in. Classic Series. 18/8 stainless steel, BPA-free. Double-wall vacuum insulation. Leakproof + packable. Insulated lid doubles as cup. Dishwasher safe