Practical Design: Our floss bobbin has 2 size holes to help organize big and small portions of cords, very convenient to use. And its blank space is designed to mark words for easy identification. Package Includes: 30 pcs floss bobbins, the size is 3.2x4.2cm/1.3x1.7 inch, 3mm thick, with 6 pcs stainless steel wires, the length is 15.2cm/6 inch, the diameter is 2mm Acrylic Material: Our floss bobbin is made of quality acrylic, the high density of the material makes it lightweight while strong enough, waterproof and wear-resistant for long-term use Applicable Occasion: It is versatile for cross stitch floss, yarn organization and storage, and is a very practical embroidery floss winding tool. Pay attention to tear off the film on both sides before use Easy to Use: Whether you're new to sewing or a veteran, you'll be able to get started quickly. The complimentary stainless steel ring can be used to string drops, convenient sorting, not messy