With the change in social type and demographic structure, the DINKs become a new family type in today's society. Having pets has also become a fast trend. Pets are the best companion for people. For most pet owners, they treat their pets as part of their family and have emotional connection to their pets. This trend has created new business opportunities for the pet product and related product industry. Because the pet related products typically are not unique and have high repurchased rates, pet owners like to use online shopping tools when they want to shop for their pets. Based on this study, the researcher has designed a customized pet product design App. This App will allow pet owners to customize the pet products for their loved pets.