The difference between oiled and plain bamboo boards is that before oiling, the surface of JULYBAMBU® bamboo boards is a light carbonised colour, after oiling, the surface of bamboo boards become little bit dark carbonised colour, the texture of the surface of JULYBAMBU® bamboo boards does not change, the hand touching the surface of bamboo boards can touch the bamboo fibres, just like touching the nature, it is a very good feeling.