SAC A POCHE: What is the pastry bag?

The pastry bag, known in French as the *sac à poche*, is a cone-shaped tool made of waxed fabric or similar durable materials, resistant to pressure. A nozzle, or piping tip, is fitted at the narrow end, which can have various shapes—round, ribbed, star-shaped, straight, etc.  


The bag is filled with cream, chocolate, whipped cream, or other soft mixtures. By pressing the bag with your hands, the chosen mixture is dispensed through the nozzle, which can be used to fill or decorate cakes and desserts.