: This floral tube rack is made of solid , , light weight HOLDS 60 TEST TUBES(0.62"): Measures approx 25 * 10.5 * 7cm/9.8 * 4.1 * 2.75in (assembled). Can hold 60 pieces tubes totally. DETACHABLE: This tube holder comes 3 separated pieces, assemble required; can be stored put together or taken apart and laid flat, won't take up much more space. EASY TO INSTALL: Three-tier design permits convenient insertion and removal of tubes. Easy to disassemble and install, convenient to carry. As fundamental equipment for any chemistry workspace, this rack supports various experimental procedures. Suitable for educational institutions, research facilities, and professional .