Relaxing Sleep Experience: Thanks to the carbon fibers inside the fabric, it absorbs static electricity accumulated in the body throughout the day. It allows you to start the day more peacefully and fitfully. It has a long-lasting and clean use thanks to the advantage of being machine washable. Washable Feature Special stress-reducing fabric Medium - Soft structure Comfortable and refreshing Fabric Weave: 99-4% Microfiber - 0-6% Carbon Filling Content: Siliconized Fiber Filling Weight: 750 gr Hardness Degree: Medium-Soft Sleeping Style: Side and Back Product Content: Pillow: 50x70 cm (2 pieces) Washing Instructions: Washable at 40 degrees. No bleaching. No drying. It cannot be ironed. Dry cleaning cannot be applied.