• Deep amber glass bottles that better preserve liquids, preventing essential oils or other liquids from losing their properties. • Good sealing that prevents unnecessary leaks. • Includes 12 empty refillable glass bottles, ideal for essential oils, liquids, and blends. • Amber glass provides UV protection, preserving the oil and preventing oxidation. • Compact size allows you to easily carry the bottles in a bag or toiletry kit, perfect for travel. • Very suitable for creating handmade gifts. • Dropper with black rubber top that allows you to precisely control each drop. • Reusable bottles that are easy to refill at any time.