Yes...same question..... Where did you get the blue line flag sticker?
Here are some on Amazon. The two pack is priced right.
https://www.amazon.com/dp/B01F6DAEEM/?tag=wranglerorg-20
Personally I prefer the Thin Red Line Flags [emoji67][emoji602]
https://www.amazon.com/dp/B01MQJLA7O/?tag=wranglerorg-20