Bamboo Heaven Self-Warming Blanket Inner Filling: 100% Bamboo Charcoal Fiber, Dual Outer Layers: 100% Polyester Imported NATURAL RELIEF: Bamboo Charcoal Technology Activates with Your Body Heat for Natural Relief BENEFITS: Natural Warmth Helps Increase Relaxation, Soothe Achy Joints, Lower Stress & Anxiety, and provide More Restful Sleep. ADDED BENEFITS: Bamboo Charcoal Absorbs Odor, Moisture, & Harmful Toxins FEATURES: Soft & Comfortable, Triple-Layered Thick, and Machine Washable SIZE: 60" x 40"