The Clear Tritan Flip & Sip is a sleek crystal-clear drink container made from high quality Tritan that is impervious to odors and stains. Each Flip & Sip has a colorful, contrasting lid with a carabiner to attach to backpacks or lunch bags. Design features: comes with an extra straw, see-through, kid-friendly easy-open lid. Size (inches): 2.50 dia. x 6.75 h (holds 12 fluid ounces). Recommended for children 3+ years.