• Set of 12 plastic test tubes with screw caps and 1 cleaning brush. • Each tube measures 15 cm in height and 3.5 cm in width, with an opening of 2.5 cm in diameter. • Made of PP material, safe, non-toxic, and durable. • Transparent design that allows clear observation of the contents. • Ideal for storing small items like grains, candies, and samples. • Perfect for decorations and party bag fillers. • Ergonomic and leak-proof aluminum screw caps. • Reusable and easy to clean.