Shark Fin for headphone accessories are intended for mounting on headphones using the included velcro. Shark Fin size is 1"x2"x3" Each Velcro length is 8 inch so will fit almost any brand of headphones. And have 6 colors that you can select when chekcout. (colors selection in the last image) Velcro color selection is White, Black, Red, Yellow, Blue and Green. Due to the nature of 3D Printing, small imperfections and layer lines may occur. And Colors may vary due to different monitor specifications. *Headphones not included* * we will pack the product with bubble wrap.