BRING BAMBOO'S PURIFYING AIR HOME - Activated charcoal odor absorber made from bamboo grown in natural sunlight, fertile soil, and abundant water sources. This results in a highly porous structure and organic composition ideal for air purification. ODOR CONTROL POWER - Engineered through precise carbonization, activated bamboo charcoal features micrometre and nano-sized pores, providing a large surface area for effective adsorption. THREE-LAYER DESIGN FOR SUPERIOR PERFORMANCE - Breathable fabric bags allow maximum air contact while containing the charcoal, helping to filter unwanted odors without restricting airflow. IDEAL FOR HOME USE - Suitable for eliminating odors in various living spaces. Recharge by placing in sunlight monthly to maintain effectiveness. Each pack includes 4 activated charcoal bags with hooks. Color: Gray. Material: Activated carbon. Package Contents: 4 x Activated Charcoal Bags, 4 x Hooks. Note: The actual product color may vary slightly due to lighting and display differences. Measurement may vary by +/- 1-3 cm.