The Anode by MVP is a top selling ultra straight flying putt and approach disc. This putter is available in both soft plastic as well as their traditional Proton, Neutron, and Eclipse plastic, which also glows in the dark. Flight ratings for the anode are 2.5/3/0/0.5, showing that it is a super straight putter, especially perfect for those who have a smooth flat launch/release. Both the Proton and Proton Soft plastics are transparent. 3/3/0/0.5. R2 Neutron plastic is MVP's recycled plastic blend. These discs are slightly softer than standard neutron, having a nice grip, feel, and flexibility. The R2 discs all feature a black core with a white rim. MVP gives new life to old and broken discs by turning them into R2 Neutron.