Kastaplast's Vass is a distance driver which is designed for the very longest drives and it is especially good in a light tailwind. Vass comes as a replacement for the disc Grym, which was taken out of production in 2023.
In the DIY version, you get a completely white disc which is particularly suitable for painting yourself. Painting discs has become very popular and is also called "Custom Dye", where special paint developed to color plastic is used to create beautiful patterns on the disc. The disc comes with a small "Kastplast DIY" stamp on the underside.The name of discens mold is molded into the bottom of the disc. Kastaplast K1 plastic is known for being particularly good at accepting colour.
The product image shows the bottom of the disc. The top is completely white with no stamp.