REFILL PACK CONTAIN ALL 5 SCENTS OF A SINGLE COLLECTION: THE FRESH & CLEAN COLLECTION: MIDORI, NEO, JIN, CLOUD, SABO THE DATE READY COLLECTION: KISSATEN, RONIN, MUGEN, CLOUD, JIN CLASSIC COLLECTION: KAWA, KISSATEN, SHINRIN, YAMA, & KAZE TRADITIONAL COLLECTION: MUGEN, JIN, SPIKE, SORA, & CLOUD SOLID FRAGRANCE REFILLS compatible with the LC SOLID FRAGRANCE 3.0 and 2.0 Switch em out whenever you want to refresh with a new smell! WHY SOLID FRAGRANCES? The worst first impression is to smell too strong. A so so first impression is to not smell at all. The best first impression is a subtle and memorable scent. Our goal is to make a natural, incredible smelling fragrance at a fair price. DOES THE REFILL WORK ON VERSION 2.0? Refills are backwards compatible with Version 2.0! Material is aluminum. Refills are 100% recyclable after washing out fragrance residue.