HI, THESE ARE HANDMADE WOOD GRATES. THE PRICE LISTED IS FOR GRATES MADE OUT OF RED OAK THE ONE IN THE PHOTO IS 16"x 30"x 1 1/4" ANY SMALLER IS THE SAME PRICE. HOWEVER THEY CAN BE MADE MUCH LARGER AND OUT OF DIFFERENCE WOODS BUT THE PRICE DOES GO UP. THESE ARE VERY STURDY IF INSTALLED PROPERLY. THE ONLY TESTING I DID WAS TO HAVE A 200 POUND GUY STAND ON IT. I THINK IT WOULD TAKE QUITE A BIT OF WEIGHT TO BREAK ONE.  I SHIP ALL RED OAK ONES WITHIN 3 DAYS OTHER WOODS COULD TAKE LONGER FOR THEY HAVE TO BE SPECIAL ORDERED.I HAVE SOLD OVER 800 OF THESE. THANKS.