Click Lock Flip Straw Cup 10 oz/296 ml Toddlers and messes go hand in hand, but you can eliminate at least one kind of leak with Munchkin’s Click Lock Flip Straw Cups, which come with a 100. These innovative toddler cups have flipping straws and feature a simple locking lid that closes to create a leak-proof seal. You can see, hear and feel the cup lock in place, so you have triple assurance against dribbles and drips. Munchkin even backs this no-leak promise with a 100. Secured, and rest assured – this might just be the sippy cup of your dreams. Set of (2) flip straw cups with 9 ounce capacity for water, milk or juice Soft, flexible leak-proof straw flips up and out when ready to drink No room for error – Click Lock Technology locks lid in place with an audible click Top rack dishwasher safe, BPA-free, 12+ Months