A device for opening a sealed flexible packet and for dispensing its contents has a flexible body that allows a user to dispense a product from a sealed packet with the use of only one hand. The device has a body with a flexible a flexible outer wall defining a slot into which a user can place a sealed packet. The inner surface of the body has blades that pierce the packet when the body is squeezed around the packet. Further squeezing of the body causes the contents of the packet to be dispensed through openings in the body. The body is spring biased to a position to facilitate loading a packet, unloading the packet after dispensing the product, and replacing it with a sealed packet, all with the use of only one hand. Tabs at the end of the body help keep it upright during loading and unloading.