The Birkenstock Siena Big Buckle Sandals in pink are women's slides in size 39EU, which is equivalent to 8US. These sandals feature a flat heel, suede upper material, and a buckle closure. With a stylish design and comfortable fit, these sandals are perfect for casual wear and outdoor activities. The big buckle accent adds a touch of flair to the overall look, making them a versatile and trendy choice for any wardrobe.