Buy the blue SILEX vase with height 21 cm. on the Shop Decor website. The designer of the Silex vase collection for , , plays with shapes and creates magnificent decorative vases. Looking at the vases from top to bottom, they don't have a well-defined shape: they look like cylinders and squares. The faceted corners are in stark contrast to the curves of the glass. Silex vases are perfect for every corner of your home.