You can find here the design templates for all our products:
https://drive.google.com/drive/folders/1-LkyCIV_FchTEh2DmAP8QrTREwTP-SDK
In order to ensure the printing quality, your designs should meet the following requirements: https://docs.google.com/spreadsheets/d/1qC3nISuyEE1ftv5QiC51LJThrMWJNB9dZOfDEgYM-hs/edit#gid=2090316265
You can also find the mockups of our products here: https://drive.google.com/drive/folders/13rXwlovEWi9Q_mNwCDIKBiioKrA_-Lgg