The size is 21cm. I purchased these for formal occasions and used them twice. 【Stylish Design】 These formal shoes are made of patent leather, giving them a glossy look that's perfect for special occasions. 【Comfortable Fit】 The interior is made of soft material, ensuring comfort even during extended wear. 【Versatile】 Suitable for various formal events such as weddings, parties, and graduation ceremonies. - Color: Black - Material: Patent leather - Decoration: Gold chain Thank you for looking.