No mess. No spout. 9 oz. 3 years and up. Tip 'N Sip seal. This unique no mess no spout cup is specially designed for children who are outgrowing their Sippy cup, but are not yet ready for an adult cup. DrinkUp Cup has a rim similar to an adult cup but the special Tip 'N Sip Seal prevents the messy spills that often occur with adult cups. Provides a simple way to build your child's confidence.