Hosley Set of 5 Glass Vases/Bottles - 100ml Ideal Gift, for Use with Essential Oils, Replacement Diffusers Reed Sticks, DIY, Crafts. Spa, Meditation, Reiki Hosley International's Glass Diffuser Bottles / Vases Measures: 3.5" x 1.6" x 3.6" For use with diffuser oil Set of 5 Alternatively, fill with fresh flowers, silk flowers, potpourri, glass beads, or use as a terrarium!