Hyber&Cara 20 Pcs 5ml Clear Glass Bottles Small Empty Sample Vials with Screw Cap, Bonus 2 Mini Funnels

UV protection: Amber glass bottles provide excellent UV protection for the contents. This is important as UV rays can sometimes change the components of the contents. If your product is at risk due to UV rays, amber glass can help. BLUE LIGHT PROTECTION There are both positive and negative sides to blue light, but the main concern with any light is the photochemical influence it has on food and bacteria that interact with food. If you weigh the light blocking protection by cobalt blue bottles and amber glass bottles, only amber glass can protect from blue light. Safer material interaction: Given the natural properties of glass, no harmful chemicals can enter the product. If you are concerned with the potential for leaching from plastic containers, amber glass bottles offer a great alternative. 【Excellent Sealing】Bottle contains glass pipette and black polypropylene cap, airtight sealing with screw opening and built-in white foam pad. Liquid bottles for easy transportation: Ideal for storing tinctures, essential oils, herbal extracts and blends, aromatherapy solutions, liquid dyes, paints, candle fragrances, perfume oil fragrances or just about any liquid material that needs to apply drops. Small size makes it convenient for travel.