Munchkin Mighty Grip® Spill-Proof Cup. BPA free. Silicone. 9+ months. Easy to sip, grip & clean! 100% guarantee. 10 oz/296 ml. It's the little things. A spill-proof cup contoured to fit even the smallest hand - because if you can't grip, you can't sip. It's the little things. Product and design are TM & ©2008-2012 Munchkin, Inc. Munchkin, Mighty Grip and it's the little things are trademarks or registered trademarks of Munchkin, Inc. 800.344.BABY (2229). www.munchkin.com.