72 Cobalt Blue 1/4 Dram/1ml Glass Bottles – Thick Borosilicate Glass, Leak-Proof Caps, UV Protection – Essential Oil Samples

72 Cobalt Blue Glass Sample Bottles – 1/4 Dram (1 ml) with Orifice Reducers & Flat Black Caps High-quality cobalt blue glass vials made from thick borosilicate glass for maximum durability. These essential oil sample bottles offer natural UV protection to help preserve the quality of perfumes, aromatherapy blends, and other high-value liquids. Each vial includes a leak-proof orifice reducer for precise dispensing and a flat black cap with a white seal for a secure, travel-ready closure. Perfect for essential oil samples, perfume testers, and concentrated liquid extracts. Bottles are BPA-free, refillable, and reusable. Shipped clean, wrapped, and ready to fill. Ideal for gifting, sampling, or storing oils at home or on the go. Size: 15 mm wide x 19 mm tall, holds 1/4 dram (about 18–35 drops depending on liquid thickness)

• Deep Cobalt Blue
• Leak Proof and BPA FREE
• Flat Black Cap for easy cap sticker adhesion
• Black Cap with seal installed
• Customer Recommendation: "I found it helpful to poke a 2nd hole in the reducer with a hot safety pin, which lets air into the bottle and allows more oil out"