The Mini Belmont 3 oz Double-Wall Stainless Steel Tumbler with Straw! With a 3oz capacity, it’s easy to carry and perfect for travel. Crafted from stainless steel with double-wall construction. Its tapered bottom mirrors our popular Belmont Tumbler. Includes a clear plastic push-on lid and metal curved straw. Ideal for tastings, parties, and gifts. Hand wash only. BPA Free & FDA certified.