Stackable, comes with lid. made of transparent acrylic glass. Protects against Beta-radiation during transport or storage of radio-isotope solutions. For 24 centrifuge tubes 1.5 or 2.0 ml as well as 15 centrifuge tubes 0.5 or 0.65 ml. Ø of holes 1.2 or 0.8 cm. Depth approx. 3.5 and 2.7 cm. Dimensions with lid: L 125 x W 90 x H 70 mm. Dimensions without lid: L 119 x W 83 x H 44 mm.