It s called Doypak attributed to its founder or stand-up pouch. The stand-up pouch will make will bring your one step ahead of the competition.

These bags are most commonly used for products to be hanged on a market. 

The new generation Quadro - Four Side Seal bag stands very rigid with the seals at every corner. The gussets are always registered, this feature maximizes the print surface and the quality is visible.