1This thread stand can accommodate 3 spools, 15 bobbins and a ruler, very convenient. 2Made of high quality plastic and stainless steel, safe, environmental friendly and durable. 3Very easy to assemble, disassemble, and store, suits for most household sewing machines. 4The reinforced plastic base gives it stability and allows your spool to stand still for a long time. 5Allows for flexible application, including but not limited to sewing, quilting, DIY, and so on.