Mermaid Straw is a popular brand known for its eco-friendly and stylish reusable straws. Shoppers have praised the brand for its high-quality products, excellent customer service, and attractive promotional offers. Many customers appreciate the variety of options available, including stainless steel, glass, and silicone straws, as well as the brand's commitment to sustainability. The overall sentiment towards Mermaid Straw is positive, with customers frequently praising the durability and aesthetic appeal of the straws. Some shoppers have suggested improvements in terms of expanding the product line and offering more customization options. Overall, Mermaid Straw has garnered a loyal following for its commitment to sustainability and excellent customer experience.