Clear Tritan Flip & Sip cup is a sleek crystal-clear drink container made from high-quality Tritan, impervious to odors and stains, shatter and scratch-resistant! Each Clear Tritan Flip & Sip features fun contrasting cap colors, a carabiner for easy attaching to a back pack, a soft silicone drinking spout and an extra straw inside. Recommended for children 3+ years.