Discraft "Factory Second Glow Elite Z Buzzz Stability Rating: 0.5 Plastic: Glow in the Dark Elite Z Actual disc appearance/hot stamp may differ from pictured item. This disc is a "Factory Second," which may include a blemished hot stamp, slight plastic imperfections, minor shelf wear, or other cosmetic defects that won't affect the disc's flight. It's a great way to save some money.