14pcs Test Tubes Plastic Transparent Test Tubes With Aluminum Lids 1. HIGH QUALITY MATERIAL Transparent test tube made of food-safe plastic material, resistant and reusable.^2. RIGHT SIZE 140mm * 25mm the height of the lid included the volume is 40ml, you can hold the test tube lightly or put it stably in the test tube rack.^3. EASY TO STORE With the screw caps, the test tube can be easily opened and closed. It is tight and protects the liquid from leaking out.^4. REUSABLE You can wash the tube to keep it clean and great for repeated and other uses.^5. MULTIFUNCATIONS The storage jar is ideal for the laboratory, also for storing small screws, storage pills and other small items, small accessories and tools for handicrafts and jewelry making, such as sewing needles, beads, sequins etc.