Size and Quantity: The finished product of the paper thread winding bobbin is 50~99x59~80mm/1.97~3.9x2.32~3.15". Package includes 16pcs of column spools 32pcs of round discs and 32pcs of plastic buttons you can make 16 sets of finished products with them. Enough for your daily use Easy to install and use: s paper reel is extremely easy to operate. When installing just place the matching disc at each end of the column and use the attached plastic button to fix it. Then by leaning one end of the line against the flat part you can begin winding in the middle of the reel Broad Applications：These empty sewing spools are ideal for winding thin and short strings wires decorative chains twine cords and many other items you want to contain. They keep your strings and chains organized and also help save space in both your home and office Premium materials: These spools are crafted from paper with a tough texture. They are sturdy durable and can be reused multiple times. Lighter than wooden and plastic ones they have detachable parts making them easy to carry and use which makes them perfect for handicraft creation Unleash your creativity：hese spools are not only storage tools but also great helpers for handicraft creation. They are suitable for various scenes like home crafts school art classes and creative studios. They can help with a variety of DIY projects which can spark your creativity