FNS Shot Pouch is the only heat sealed Pouch Kit each kit comes with (25) 3oz pouches each with a funnel already attached, a patented heat sealer (batteries not included) takes 2 AA batteries, and a mini marker to indicate what each pouch is filled with. Unlike traditional ziplock pouches, Fill-N-Seal uses a patented heat sealer to ensure a leak proof seal making them TSA Carry-on compliant.