This durable, stainless steel Wave Rotary Cutter Blade from Olfa has a razor-sharp edge, perfect for crafts like memory books and scrapbooks. The wave edging creates a decorative pattern on the edge of the material being cut, and it's especially great for use with Polar Fleece. The blade is designed for sharpness and durability, made of high-quality stainless steel. It is compatible with the Olfa 45mm Deluxe Rotary Cutter (sold separately).