Let your little one sip without the spills with the 10 ounce Re-usable Straw Cups by Munchkin. It features leak-proof protection you can see, feel and hear - just turn the lid until you hear the click and you are all locked and set - guaranteed. Re-use, durable enough to wash and re-use. Includes 4 soft, flexible spill-proof straws. BPA free, top rack dishwasher safe. Ideal for little ones 12 plus months.