1) flameable refillable later with butane ,past 55degree water test (good quality )
2)the rate of leaking within0.3%,the rate of inflaming over 98%.
3)refillable tank for recycle using .
4)OEM manufacturer in China ,had ISO 22702 certificater.
5) packing :50pcs /box ,500pcs per carton
Four color cooking lighter BBQ lighter EX-3082S