A cardboard tube containing 180 tablets is packaged with 60 tablets per bag No unnecessary ingredients or fillers No harsh abrasives Baking soda is effective at removing surface stains and has low abrasion Its RDA rating is 7 on a scale of 0 low to 250 high If you live in a humid climate store unopened bags in the refrigerator After opening place Chewtabs in a clean airtight container to avoid moisture Manufactured in Carlsbad California