A container (10) for mixing and dispensing material comprising a body (12) having a main chamber (17), a dispensing nozzle (26), a liquid receptacle (14) and a plunger (18). The liquid receptacle (14) has a side wall (37) and a front wall portion (36) which is caused to break away from the side wall under pressure being applied by a plunger (18) so that the plunger and front wall portion can traverse the entire length of the body (12). This enables a charge of material in the main chamber (17) to be dispensed through a frangible wall or membrane (22) into the nozzle (26). The container 10 has a compression zone with a stepped region (50) for providing limited resistance to movement of the plunger and broken away end wall for use with low viscosity material for reducing the risk of uncontrolled extrusion of low viscosity material.