KCZ1029 Features: * Cool bites * Keeps food fresh for hours so packing a healthy meal or snack for your child to take on the go has never been easier * Screw-on lid non-toxic freezer gel between double walls keeps contents fresh and cold (approximately 2-4 hours) * Freeze gel portion for at least four hours * Great for on the go food safe dishwasher safe freeze gel portion for at least four hours do not microwave wash before first use * Recommended for children ages 3 * Do not microwave wash before first use