The product is a pair of Birkenstock women's sandals in size 39, which is a European shoe size equivalent to a US size 9. Birkenstock is a well-known brand for high-quality and comfortable footwear, making these sandals a stylish and practical choice for women. The sandals are designed specifically for women, providing a comfortable fit and support for all-day wear. Whether you're looking for a casual sandal for everyday use or a more dressy option for special occasions, these Birkenstock sandals in size 39 are a versatile and fashionable choice.