This type of pottery is handcrafted by skilled artisans in Boleslawiec, Poland, known for its unique designs and durable stoneware. Functionality: It's designed to keep butter fresh and spreadable at room temperature, making it a practical and decorative kitchen item. Durability: Polish pottery is known for its high-quality, chip-resistant stoneware, and is often oven-safe, microwave-safe, and dishwasher-safe.