The Atelier Vierkant model AK is a handmade vessel made of high-quality terracotta. With its simple round shape and the colorful stripes on the upper edge, it looks fresh and playful. Thanks to a special firing process, the vessels are frost-proof and can be used outdoors all year round. The AK model is available in various colors, including extra white, Nordic white, white, red, cork, gray, new gray and black.