Pupsentials.com appears to be a legitimate website. It has received positive reviews from customers, with an average rating of 4.9 out of 5 stars based on 857 reviews. The site is known for its custom embroidered pet sweatshirts, which are crafted with 25,000+ stitches and 15+ thread colors. Customers have praised the quality of the products and the excellent customer service provided by the company. Additionally, Pupsentials.com supports local shelters by donating two dog meals for every sweatshirt sold, further enhancing its credibility.