Solid, durable and natural material. There will be no toxic abrasion as with almost all plastic boards and the material protects the knife. Bamboo is so not as fast entstehen- relatively hard exhilarated to clean it is by wet wiping or short Abwaschen- not einweichen- since suffering the wood after all. I have my almost 1 year now and it looks like new and it is used every day. From time to time wipe with vinegar for "deep cleaning".
I have almost all plastic objects in the kitchen except the polypropylene (PP), which is gradually Autolube probably nontoxic. I now use only stainless steel, porcelain, glass & wood as these materials no contaminants go into the food. I have dealt in detail with the matter and this is the conclusion of extensive research.