The dishwasher compatibility of bamboo lid bento boxes depends on the specific materials used in their construction. While the bamboo lid itself is generally not dishwasher-safe due to its natural properties and potential for warping or cracking, the other components, such as the stainless steel or plastic compartments, may be dishwasher-safe.

To be certain, it's essential to check the manufacturer's instructions or guidelines for your specific bamboo lid bento box. These instructions will provide you with accurate information on whether the entire box or specific parts are dishwasher-safe.

In general, hand washing is recommended for bamboo lids to maintain their integrity and prolong their lifespan. The other components, if dishwasher-safe, can be separated and placed in the dishwasher for cleaning. Always ensure that you follow the manufacturer's instructions to ensure the longevity and safe use of your bamboo lid bento box.