A unique fuseless impact firecracker! Very loud, high quality outdoor signal device with literally 100 uses. Tested and approved by 3rd party testing labs. Classified as a novelty, UN0337, so no hazmat shipping fees if shipped via ground. Multiple uses- locating device, camp fun, hazing nuisance wildlife or adults. Shipped 20 Snaps in a box, 24 boxes in a case for a total of 500.