Hosley Set of 4 Diffuser Boston Round Style, Glass Diffuser Bottles, 85 ml Large. Great for Storing Essential Oils, DIY Diffusers, Craft Projects, Wedding, Party O9 PRODUCT: Hosley's Diffuser Boston Round, Glass Diffuser Bottles USE: These are perfect for adding a decorative touch to any room's decor. Designed to perk up your favorite diffuser paired with Hosley's diffuser oils to beautify fragrance into the air. Perfect for everyday use, wedding, events, aromatherapy,Spa, Reiki, Meditation, Bathroom setting. BENEFITS: Bring a luscious, beautiful aroma to your home with our Hosley signature scented diffuser oils and a pretty glass diffuser bottle for worry-free home fragrance. When using in your home as a decorative and fragrance accent. MEASUREMENTS/MATERIAL: Each one measures 1.9" x 1.9" x 4.4", a set of 4 and made of glass. HOSLEY BRAND PRODUCTS: Hosley brand products are made from quality raw materials with minimal wastage at every step of production. With the goal of achieving a neutral carbon footprint, please recycle and help leave Mother Earth better off for future generations.