Durable Glass Material: Made from Low borosilicate glass, this sample bottle ensures durability and longevity. It is unbreakable and can withstand temperatures as high as 600 degrees Celsius and as low as -25 degrees Celsius. High-Quality Glass Design: Crafted from durable 3ml glass, these bottles are not only sturdy but also provide a clear and transparent look. The transparent design allows you to easily identify the contents inside, making it effortless to find the right sample for your needs. Convenient Travel Size: Our Sample Bottles are the perfect size for travel, with a capacity of 3ml. They are compact, lightweight, and easily fit into your purse, backpack, or luggage. Take your favorite samples, perfumes, or essential oils on the go! Leak-Proof Storage: Each set of 20 Sample Bottles comes with caps included, ensuring that your products stay securely sealed. The caps are leak-proof and easy to open, providing a hassle-free experience while preventing any spills or accidents. Versatile Use: These 3ml glass bottles are not only perfect for storing samples, but they can also be utilized for various purposes. From holding essential oils, DIY fragrances, serums, or even small jewelry items, their compact size makes them a versatile and practical choice.