European Union country
DPD:  2-4 business days
https://www.dpd.com.pl/business-customers/MyDPD/Tracking


Outside European Union
UPS: world 3-6 business days
https://www.ups.com/WebTracking/track?loc=en_us
Pocztex: world 3-5 business days
http://www.pocztex.pl/sledzenie-przesylek/?lang=en