HIGH QUALITY AND SAFE - Our amber glass bottles are made of corrosion-resistant glass with thickness, smoothness and shockproof. The classic amber essential oil bottles can prevent essential oil from harmful UV rays to protect it from rapid evaporation. Prevent leaks --- The roller ball is made of stainless steel, which is corrosion resistant and well made. Also tightly fitting lids prevent leaks. Therefore, they are very safe to use. With our oil glass bottles, you can enjoy every moment during massage or beauty salons. Travel Size --- The refillable glass roller bottles are perfect for natural essential oils, essences, perfume or other liquids of your needs for daily eye care, face and body. The 10ml travel size roller bottles allow you to fit comfortably in your pocket, purse, backpack or luggage. Our roller bottles give you a more comfortable feel and high-quality appearance, ideal for home and travel. Good use: perfect for essential oils, perfume oils or other liquids.