to make work organized and efficient, the vial racks are available in five attractive colors namely green, blue, yellow, white, and orange; Each color comprises 2 pieces which significantly simplifies tube classification and curbs confusion the test tube holders are masterfully crafted from polypropylene known for its sturdiness; It's not easy to break or get deformed, ensuring the vial racks remain at your service for a longer duration; Our product promises you a brilliant blend of strength and , thereby making it a worthy investment Our vial holder smoothly holds about 0.2 mL, 1.5 mL, and 2.0 mL microcentrifuge tube or tube without any hassles; The smooth is devoid of any burrs or corners, asserting safe usage; Further, the vial racks are reusable, safe and tasteless, presenting you with a product that meets standards broaden your with our multi functional lab tube holders; They can be widely applied in chemistry laboratories, research classes, lab organizations, science classes, and many more; Arrange and keep your test tubes orderly and ease of operation for use; A necessary tool that enables precise and streamlined execution of work Material: Plastic Color: As Shown Size: about 8.86 x 2.64 x 1.06 inches/ 225 x 67 x 27 mm Suitable for tubes about 0.2 ml, 1.5 ml, 2 ml Package Contents: 1 set x test tube rack (2 each of green, blue, yellow, white, and orange) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.