Features: Sewing Machine Thread Caps & Covers Set Effortlessly work with most household sewing machines, featuring secure anti slip texture to prevent spool tangling during high speed stitching, ideal for sewing craft enthusiasts. Engineered with snapping on installation and plastic construction, these light weight thread spool caps maintain stability through grip pattern while reducing operational complexity for seamlessly sewing project. Perfect for sewing enthusiasts, school art classes, and professional tailors seeks sewing machines thread spool accessories that bridge compatibility gaps across various machine models in studios or commercial workshop. Optimizes fabric crafting efficiency in high intensity environments from quick garment repair at home in tailoring shops while preventing thread slippage during prolonged sewing project. Crafted from reinforced plastic, this multipurpose sewing machine accessory set combines rustproof durability with ergonomic design, ensuring smoothly thread feeding whether creating quilts, altering clothes, or teaching textile art. Specifications: Component: Plastic Color: White Size: Mixed Size As Shown. Weight: Approx. 50g Package Includes: 1Set Household Sewing Machine Bobbins Caps note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color