Plumbob Diamond for headphone accessories are intended for mounting on headphones using the included velcro. Plumbob Diamond size is 4.5"x1.25"x0.8" There are 2 colors green and red that available for the Plumbob Diamond. Each Velcro length is 5 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. * How to order : Please choose velcro color in the choose a color selection tab, and send me a message or write a note what color for the Plumbob diamond.