Spacious quantity and convenient size: 100 test tube packaging with cork stoppers, you always have enough money to meet your needs, suitable for DIY bathroom salt and candy tube containers, scientific experiments, and plant growth; The size of the glass tube with a cork stopper is approximately. 15 x 100mm, making it easy to handle and store Sufficient capacity for applications: The glass test tube of plants has a capacity of approximately 13 milliliters, providing sufficient space for multiple purposes; Whether you are conducting experiments, storing samples, candies, bath salts, chewing , jelly, chocolate chips, biscuit nuts, or creating crafts, the test tubes of these crafts can accommodate a wide range of applications and high-quality low borosilicate glass tubes: These test tube lenses are made of low borosilicate glass materials, which are sturdy and , have good heat resistance, and can be applied at high temperatures to long-lasting use; Clear main colors allow for easy