Powerful Odor Purification: These bamboo charcoal purifying bags are designed to effectively remove smell from shoes, cars, and sports gear. They also help in purifying the air by absorbing harmful substances Quality Material: Made with sturdy cloth material that ensures long term use while maintaining its effectiveness in odor absorption and air purification Compact Size for Versatile Use: Each bag measures 19cm x 8cm, making them fit for placing inside shoes, gym bags, closets, or vehicles without taking up much space Convenient Pack: The package includes 4 or 8 (optional) unscented air purifying bags, providing double the freshness and coverage for your needs Reusable: These bamboo charcoal bags are can be reused multiple times by simply placing them under sunlight to rejuvenate their odor-absorbing capabilities Specification: Material: Cloth Size Chart: LxW: 19cmx8cm/7.48inchx3.15inch Package Includes: 4 pieces 75 grams Air Purifying Bags or 8 pieces 75 grams Air Purifying Bags (optional) Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.