This document proposes a marketing campaign for Biti's Happy Home Wearing, a new line of in-home flip flops from Biti's. The campaign aims to capture the growing 600 billion VND market for in-home footwear. Key elements include: 1. Partnering with celebrities like Victoria Beckham to promote the new product line 2. Engaging customers through a co-design competition where they can design their own flip flop model and get friends to vote on it. Winning designs will be mass produced. 3. Launching on International Happiness Day with a 20 billion VND integrated marketing budget focusing on branding, PR, influencer marketing and paid social media.