Made up some custom sized bamboo boards yesterday, our standard rectangular size is 250 x 200mm a handy small size but we do other sizes by request. We make them from 18mm thick laminated bamboo for a solid and durable board and the glue is non-toxic.
The design features a hole in the corner to hang them or help grip when picking one up.
Bamboo is a great material for cutting boards: the laminations make it stable so it won’t warp when washed, and the density is not too hard so as to blunt knives and not too soft so it is cut and warn down. With all cutting boards it’s best to wet both sides when washing so no imbalance of moisture leads to warping which happens with solid timber boards a lot.