This sippy cup bundle includes two sets of Munchkin's popular Click Lock leak-proof sippy cups - one with pink and purple 9oz cups and another with blue and green 9oz cups, for a total of 4 sippy cups. The innovative one-piece valve and locking lid provides a leak-proof seal you can see, hear, and feel lock into place. The soft, bite-proof spouts are gentle on little teeth and gums. Both sets of BPA-free cups can hold up to 9 ounces of water, milk, or juice and are top-rack dishwasher safe. With two complementary sets, this bundle offers color variety and double the spill-proof sippy cups to meet the demands of messy toddlers. The featured Click Lock design backs up its no-leak promise with a 100% guarantee to give parents triple assurance against annoying dribbles and drips. Each set touts the same user-friendly features like one-piece valves for easy cleaning. With four 9 ounce bite-proof and leak-proof sippy cups, this useful bundle simplifies shopping while stocking up on a top-rated toddler cup design known for being gentle, durable and truly leak-proof.