Super THICK 13" Pizza/Baking Stone MEDIUM Big Green Egg or Kamado by LavaLock 9/16" Genuine heavyweight stone (not cheap ceramic) 9/16" thick, 13" round Wont Crack, SUPER THICK 13" x 9/16" 13" is correct for MEDIUM Big Green Egg Not Big Green Egg brand Holds temp better than thinner, cheap pizza stones.