Beware...Wayfair delivered the wrong item. I received the 10 in x 26 in, set of 13 by Purhome instead of the set of 15 8in x 2'1" by Winston Porter. Except for the wrong brand, size, and missing 2 treads, the colour (grey/brown) and shape i(semi-circle) is perfect. Sent in a refund request to resend the correct item. We shall see.