1. CCbetter Bamboo charcoal air purifying deodorizer is 100% natural, effective & safety for human;2.High standard processing procedure, packed in air free flowing fabric bag to provide best quality filtering results;3.Detoxify your area, it will absorb bad odors, kills bacteria and cleanse the air safely. You can save money rather than buy the chemical form air freshener;4.Longer usage life span for up to 2 years. Just expose the charcoal under the sun, once a month for 1 hour to re energize the detoxifying bamboo charcoal content inside the bag.;5.fast and friendly customer service with 1 year warranty and passed the safety quality test