Our Smart-i-tag™ and Smart-i-sticker™ "For Dummies" has 5 tags because most families today have a need for more tags! While other tags only have one way to contact you in case your belonging is lost. Smart-i-tag™ has up to five. If you ever move or go on a trip, you can change any of your contact numbers instantly for the price of a phone call at NO extra cost to you.