Stay organized and efficient with US Plastic Supply Black Acrylic Test Tube Rack – a durable, stylish, and versatile stand designed for both small and large tubes. Crafted from high-quality acrylic, this rack features a 12-hole flippable design that adapts to your needs. One side fits standard 10 ml, while the other accommodates larger tubes up to 22 mm in diameter – giving you unmatched flexibility in a single rack. Perfect for laboratories, classrooms, salons, essential oil storage, or creative DIY projects, this dual-sided stand provides the reliability and modern look you need. The sleek black finish makes it both professional and easy to clean, while the compact design keeps your workspace clutter-free. Whether you're performing lab experiments, demonstrations, or product storage, this test tube holder is built to last and designed to impress.