In this one the thorns are long and white, like spikes. Impossible to touch.
These green and rose-colored cactus leaves are thick, but there are no thorns or spikes.
This photo has been altered a little to give it a different texture but it is true to the original in the sense that colours are authentic. The original photo is with me. High resolution photographs of these are available.
Check out more pictures of Plants or of Flowers