Grove - Wrapper is a kind of wrapper to fix and protect Grove modules. It will save you a lot of work on aligning your modules, and it will easy for you to show your project. For example, it will simpler to take pictures for showing your product on the Internet, and it will give a clear and clean scene if you use Grove - Wrapper to demo your project. What is more, it is expandable for Lego, mechanical parts, and so on, this will introduce flavor into your work and make your project adapt to various circumstances. The mechanical design of Grove - Wrapper also make it easy to assemble and disassemble modules.
Notethat around 85% of all Grove modules are supported by Grove - Wrapper.
Note that Grove - Wrapper series have two size of wrappers, each gets four colors, and there are totally eight SKUs that are listed at Specifications section.