This is a limited edition Prodigy Glow 400 M4 Issac Robinson midrange disc with a white base and a red stamp. It weighs 178 grams and features an autograph from the famous disc golfer himself. The disc is perfect for both beginners and experienced players, and is designed to fly straight with a reliable finish. It is made from high-quality materials and is sure to provide you with many hours of disc golf enjoyment.