Description Feature: 1. Durable and Sturdy: Made of premium corrugated paper, the moon replacement core is designed to withstand scratching and clawing, ensuring long lasting use. 2. Versatile Design: The replacement core is suitable for cat scratching boards of various sizes and styles, providing a perfect fit and allowing cats to wallow in their instincts. 3. Unique Moon Design: The moon shaped core adds a touch of elegance to the cat scratching board, making it not only a functional accessory but also a stylish addition to your home decor. 4. Easy to Install: Simply insert the replacement core into the cat scratching board, and it securely stays in place, providing a hassle free setup process. 5. Cat Sofa Experience: the unique design shape and comfortable surface provide a comfortable sofa experience for cats. Specification: Item Type: Refill Cat Scratching Pad Material: Corrugated Paper. Package List: 2 x Refill Cat Scratching Pad