SEE THE PHOTOS - 1/2" THICK MAPLE PLYWOOD. WAY BET IT IS71 5/8" LONG OVERALL. THE ONE SIDE IS 36 1/8" LONG X 26 1/2" WIDE. THE OTHER SIDE IS 35 1/2" LONG X 18 1/2" WIDE. I TOOK PHOITOS OF BOTH SIDES TO SHOW THE DIFFERENT GRAIN PATTERS SO CHECK OUT ALL OF THE PHOTOS. THIS MATERIAL IS WAY BETTER THAN LOWES OR HOME DEPOT. IT IS FLAT, STRAIGHT, AND FULLY USABLE. $35 - LEAVE A CONTACT NUMBER IF INTERESTED.