9 oz/260 ml. Easy-clean, non-spill. Keeps drink cooler/warmer for longer. BPA free. Twist-lid: Keeps straw hygienic on the go. Advanced thermal material - keeps drink cooler or warmer for longer. Spill-proof - ideal at home and on the go. Twist-lid - for hygienic drinking. Detachable straw - easy to replace. Easy to clean and assemble - can be sterilized. www.philips.com/Avent. www.philips.com. Call Toll-Free: 1.800.54.Avent. Cup - BPA-free. Made in China.