Multifunctional Chair" or "Multifunctional Umbrella" or you could simply state the main side function such as "Messaging Chair" or "Folding Umbrella" etc. Do not list all the functions of your design, it is best to state the most dominant i.e. the primary function only. Also please do not add "Prototype, Design or Concept" to the name, please add this information to the project explanation later. When