Features: Make of Carbonated Polyester and Silicone materials, with high strength, high toughness, wear resistance, nonslip and comfortable. It easy storage or removal, well protecting your fishing line spool from shake. The spool can effectively prevent the fishing line from winding and knotting, making your fishing experience smoother and more enjoy. With clear cover, allowing you to clearly see the fishing line stored inside for easy selection and identification. It easy to carry to fishing or travel, making it easy to use at any time. Specifications: Materials: Carbonated Polyester, Silicone Styles: 4 Spool/6 Spool/8 Spool/10 Spool/12 Spool/16 Spool 4 Spool Box Size: about 6.2x6.2cm/2.44x2.44inch 6 Spool Box Size: about 6.2x9cm/2.44x3.54inch 8 Spool Box Size: about 6.2x12cm/2.44x4.72inch 10 Spool Box Size: about 6.2x15.0cm/2.44x5.91inch 12 Spool Box Size: about 6.2x17.6cm/2.44x6.93inch 16 Spool Box Size: about 6.2x23.50cm/2.44x9.25inch Spool Size: about 5.7x1.2cm/2.24x0.47inch Package Includes: 1Pc Fishing Main Line Box note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.