Sewing Machine -Bobbin Organizer Holder Highlights generic brand Bobbin Organizer Holder Description: Stores metal and plastic bobbins Made of soft silicone for ease of use and durability Oval shaped and hollowed out Up to 20-30 spools, Fit for different size spool Easily organizes spools, prevents bobbin threads from unraveling or twisting. Specification: Inner Diameter: Approx. 135mm / 5.3inch Outer Diameter: Approx. 90mm / 3.54inch Height: Apporx. 19mm / 0.75 inch Color: blue, purple Package includes: 2 pcs bobbin organizer Note: Please allow a little size error due to manual measurement. Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the item's color may be slightly different from the pictures. Try to understand.