300 ml. No spill. Easy grip. No leaks! No mess! One piece built-in valve. BPA free. Soft flex spout. Teaches independent drinking. No. 1 worldwide cup brand (based partly on industry data). Spout development. DCLP: Deaf Children's Literacy Project. This purchase will help support Deaf Children's Literacy Project. Instructions enclosed. Facebook: NubyUSA. Twitter: NubyUSA. Meets CPSC Safety Requirements. www.nuby.com. 1-800-LuvnCare (USA only). Food safe. Designed by Luv n' Care in the USA. Made in China.