Fill-N-Seal is a game changer for travelers, parents, outdoor enthusiasts, and more! Each pouch kit comes with 20 pouches in 4 specially-designed sizes, a battery-powered heat sealer, and a mini marker. Once filled, simply press and slide the heat sealer to seal it in. Now you have a fully sealed, extremely durable, and leak-proof pouch! The Fill-N-Seal pouch kit: fill it, seal it, use it!