Seashell Purse - Shop for a cute seashell purse. The Seashell purse is perfect for afternoon tea parties with the girls or a stroll on the beach or boulevard. The seashell purse was created from the founder of Sincerely Sweet Boutique and has been hand crafted to be the cute mermaid seashell purse it is today. Find this seashell purse in various colors, perfect for all occasions and events. It's even perfect for a nice stroll on the beach. Find the seashell purse at Sincerely Sweet Boutique and much more.