Sandals are a tool to protect our feet from the heat and cold of the earth. Sandal has become a basic necessity that must be owned by everyone because so many benefits. Therefore, look for ways and ideas to find sandals that can make our feet comfortable. So that users will not feel pain after wearing these flat sandals. Also if you can make and design your own flat sandals with the latest models, it can be a good business opportunity. Therefore, hopefully the designs in this application can be a reference and help your success.