Perfume Studio&reg; Set of 4, 1 oz Cobalt Blue Glass Spray Bottles and 1 Perfume Studio Top Seller Sample Body Oil Vial. Use Spray Bottles for Essential Oils, Fragrances, Room Sprays, and More. (4) Perfume Studio Premium Quality Blue Glass - 1 oz Blue Boston Round Cobalt Glass Bottles and (1) Perfume Studio Essential/Perfume Oil Sample Top Seller Vial You Get a Set of Four Pieces ~ 1 Fluid Oz. Bottles with Durable Sprayers and a Perfume Studio Essential/Perfume Oil Vial Sample DIY Spray Blue Bottles. Great for thin liquid applications, essential oil blends and formulas Durable and Reusable Cobalt Spray Bottles. Cobalt Blue Glass Protects your oils from the outside environment. Preferred Essential Oil Spray Bottles by Our Aromatherapists. Very Sturdy and the Perfect Size for Oil Blending and Personal Formulations.