Item Dimensions LxWxH: 2.95 x 1.77 x 5.12 inches Net Weight: 0.88 lb (400g, 2-Pack x 200g) Application: Newly Renovated Houses or Refurbished Homes, Curtains, Wall Paints, Floors, etc. New Cars or Used Cars Kitchen Sink, Cabinet, Bathroom, Trash Can, Diaper Bucket Wardrobe, Closet, Shoebox, Drawer Pet Home, Aquarium Refrigerator, Storage Room, Wine Cellar Newly Renovated Office or Hotel How to Reactivate in the Sun? Choose a sunny, ventilated and spacious place, take the non-woven bag out of the box, and put it in the sun for 2-3 hours. The high temperature in the sun will cause the activated carbon to release the absorbed gases, and then the wind will take them away and dilute them in the air. In this way, activated carbon will again have a larger capacity space to absorb other gases. Reactivated in the Sun regularly, and you can continue to use it.✓Long Lasting and Reusable, Reactivate in the Sun, It can be Reused for Three Years. ✓Leakproof, The Sealed Non-woven Bag will not Let the Particles Leak. ✓Beautiful White Box, Compact and Easy to Place Anywhere. ✓Suitable for Refrigerator, Outperforms Baking Soda. ✓Nano-scale Pores, Stronger Adsorption Capacity.