Features: 1.The spool protection rope can organize the spool well and prevent the thread on the spool from spreading or tangling, thus saving space. 2.Made of high?quality rubber, the spool holder is soft and elastic. It is not easy to damage and can organize the bobbin well. 3.Easy to remove a bobbin by hand, no unwind for thread. Our bobbin storage prevents the bobbin thread from loosening or deforming .. 4.The bobbin organizer is in a rope, and the bobbin organizer is colorful and bright, beautiful and practical to use. 5.With wide range of applications, the sewing machine bobbin holders can be used for most brands of metal or plastic sewing machine bobbin. specification:Item Type: Bobbin Holder Material: Rubber : 1 Piece Usage: Household, Storage, etc. Application Scope: Most People Outer Rope Diameter: Approx. 133mm / 5.2in Inner Rope Diameter: Approx. 80mm / 3.1in Height: Approx.20mm / 0.8in (Manual measurement has 1-2cm error) PackageList:1 x BobbinHolder