Easy chopping block / Kitchen supplies

The unhealthy problem of raw food and cooked food processed on the same chopping block is often ignored. However, many cutting boards occupy space which is not conducive to storage. They look messy and irritating. This design solves this problem.
This is a chopping block which can be pulled out and retracted. When retracted, it only occupies the space of a common chopping block. It is a chopping block of many kinds of materials. Different cutting board materials are suitable for different food materials. It's easy to carry when you go out for a picnic and takes up the smallest space to play the biggest effect.