The Set of 2 Smart Tubes, are perfect for creating and transporting travel size quantities of personal care products, beverages, and condiments.Ê Simply fill and go.Ê Each Smart Tube is leak-proof and spill-proof.Ê Made from PBA free, food-grade TPR.Ê Great for travel, sporting events and outdoor use.Ê Each tube holds 3 ounces (89 ml) of liquids so they are 3-1-1 carry-on compliant.