1.Different Flavor for PG/VG 2.tobacco/fruit/menthol/herb and flower flavors 3.Adding ratio is 3%-8% 4.100%pure nature flavor 100% ... others Usage: It can be diluted, then mixed with PG or VG, for smoking use The mixing ratio is: Tobco series is ... seris is 2.5%, except Menthol is 5% Main components: PG, VG, Vanillin, Linalool, Ethyl malto, Essential Oil, Rhodinol, and so on Different Flavor for PG/VG