The glass bottle with cap is perfect for small sample packaging. Made of glass material, it offers excellent transparency for easy observation of samples. The bottle has a good sealing performance, preventing sample volatilization. With its convenient cap design, easy to store and carry. Features - - Material: Glass. - Size: 3.90X1.60X1.60cm/1.53X0.63X0.63in -Capacity: 3ml - Using glass materials, these glass vials are reusable and durable, can be used for many times. - Compact small size, the small bottle is perfect for travel, and conveniently fits in your purse or bag. - Good for general laboratory using sample bottle, reagents bottle, storing essential oils, powder and so on. - Leak proof sealing caps can keep the liquid inside safe and to use, no worry about leakage. - The transparent design can let you know the content and approximate amount inside. Package list: 20 x empty bottles