Sam Edelman Bianka Sling Pump Black Suede Sam Edelman Bianka Slingback Pump (Women) Nordstromrack Sam Edelman Bianka Slingback Pump (Women) Nordstromrack Sam Edelman Bianka Patent Leather Pointed Toe Slingback Pumps Dillard's. As a product expert, I recommend the Sam Edelman Bianka Sling in Buttercup for its sleek lines, small heel and comfortable sling back. These pumps are perfect for any occasion and add a touch of elegance to any outfit. With the Bianka Slingbacks, sophistication and style are guaranteed. Style #: EC0206915 Heel Height: 2. 4 inches Toe: Pointed Toe Closure: Buckle Material: Leather, Fabric, Synthetic Insole: Synthetic Upper lining and sock lining: Peta approved, cruelty free, and ethically sourced