Yes, you can bring a small cooler into Magic Kingdom, but it must strictly adhere to Disney’s 2026 size and safety policies. Coolers, bags, and backpacks must be no larger than 24" long x 15" wide x 18" high. Crucially, loose or dry ice is prohibited; you must use reusable ice packs or frozen water bottles to keep your items cold. Security will inspect all bags, and any cooler containing glass bottles or alcoholic beverages will not be permitted inside the park. Most families find that a small, soft-sided insulated bag is the best option because it can be easily stored in a locker or carried on attractions. Bringing your own cooler is an excellent way to save money on snacks and drinks, but remember that you cannot bring folding chairs or large rolling coolers that could obstruct the flow of traffic on Main Street.