Z: This is Discraft's see-through premium plastic. Most comparable to C-Line, Proton, Champion, or Lucid, this plastic offers great durability with an adequate amount of grip. Typically discs in this plastic will fly true to or slightly more overstable than the flight numbers
ESP: This is Discraft's opaque premium plastic. Most comparable to S-Line, Neutron, Star, or Fuzion, this plastic offers similar durability to Z but with a tackier hand feel. Typically discs in this plastic will fly true to or slightly less stable than the flight numbers.
Titanium: Discraft's Titanium plastic offers you the increased durability of Z with some of the grip from ESP. Will fly closer to ESP instead of Z plastic typically. This plastic is most comparable to Shimmer Star, Plasma, or 500 plastics.
Big Z: This plastic is a perfect blend of Z and ESP. It offers a pearly look with a blend of features from Z and ESP. Typically discs in this plastic will fly true to the intended flight. Most comparable to Luster, Hybrid, and 400g plastics.