The so-called consumer goods categories include the following six categories: Baby (maternal and child products), Beauty (beauty), Health & Personal Care (personal care health), Personal Care Appliances (personal care appliances), Pet (pet products), Grocery (grocery).Data source: http://parthenon.ey.com/po/en/perspectives/consumer-trends-driving-growth-in-personal-careThe following are the top search terms that are frequently searched for in the category Health & Personal Care:The following are the top search terms that are frequently searched in the category of PET Supplies (pet supplies):Only when the various indicators of the account are qualified and the qualifications are recognized by Amazon, will it be displayed in the background that you can activate this service.Go and see if you meet the criteria (steps: Seller Central→Setting→Fulfillment by Amazon→Subscription Setting→Enable).