Billini Heels Universal Store Billini Heels Universal Store Billini Heels Universal Store Billini Heels Universal Store Billini Heels Universal Store. Chelsea by Billini is a barely there mule. An instant style saviour, this barely there mule will effortlessly elevate any outfit. Featuring: high shaved block heel open square toe 5 thin, flat straps across toes and vamp easy slip on design open heel counter synthetic upper, lining and outsole Available in Cashmere and White. Heel height 10cm.