Wave Keys have been designed, developed, and tested with criteria set out by leading ergonomists, including improving posture and lowering muscle strain, to receive the certification. A product that has been certified provides quantifiable ergonomic benefits to the anticipated users by improving comfort, fit and productivity while minimizing the risk factors that may contribute to the development of injuries. Our process follows guidelines established by the International Ergonomic Association (IEA) to ensure the ergonomic quality of a product.