50 Ml (1.7 Oz) Amber Glass Boston Bottles for Essential Oils, Homemade Remedies and More (Screw Cap, 24) Create your own essential oil recipes with GKB high quality amber glass boston bottles Choose from 6, 12 and 24 bottle assortments and pick from three different attachments, screw cap, fine mist sprayer, and eye dropper. Perfect for doTerra essential oils, perfume oils, spritzes, sprays, homemade formulas and more. Amber glass protects against harmful UV rays and keeps oil from breaking down. Safe and Durable Bottles