Durable, stackable food storage containers for on-the-go convenience. Perfect for airplane and car travel, daycare, and school. Includes three containers: 1/3 cup, 1 cup, and 1 cup. Cupholder friendly, dishwasher safe, and freezer safe. Great for diaper bags, backpacks, and purses. Twist 'n' Lock system connects jars with ease. The removable handle allows for easy carrying or clipping to a stroller. BPA and phthalate-free; comes with the manufacturer’s limited lifetime warranty.