• Made of high-quality thickened hard plastic, sturdy, safe, and odorless. • Content: 15 transparent test tubes and 15 natural corks. • Dimensions: length of 150 mm and diameter of 16 mm. • High transparency for clear visualization of the content. • Conical corks that guarantee an optimal seal, reusable and easy to clean. • Ideal for storing seeds, sweets, spices, bath salts, or laboratory samples.