• Set of 10 plastic test tubes with screw cap and 1 cleaning brush. • Each tube measures 15 cm high and 3.5 cm wide, with a 2.5 cm diameter opening. • Made of PP material, safe, non-toxic, and durable. • Transparent design allows clear observation of the contents. • Ideal for storing small items such as grains, candies, and samples. • Perfect for decorations and party bag fillers. • Ergonomic, leak-proof aluminum screw caps. • Reusable and easy to clean.