Description: High quality material, strong and durable Lightweight and portable to carry It is a tracking fin fit for most Kayak boat Install to Kayak to divide water, decrease the water resistance Easy to attach and to remove, no tools needed Specification: Material: PC Color: Black Base Size: Approx. 34 x 9.8cm / 13.39 x 3.86 inch Fin Size: Approx. 21 x 14.2cm / 8.27 x 5.59 inch Package Includes: 1 Piece Kayak Skeg Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!