would fit sufficiently snuggly to prevent the plug 180 from falling out alternatively the plug 180 and the plunger member 133 can be configured to snap fit into each other in any event when the plunger member 133 is activated the plug 180 is pushed down and out of the bottom end of the compartment 136 allowing the content s to be discharged as shown in fig1 b when the plunger member 133 is activated the plunger member 133 pushes the piston 180 down and unseal the compartment 136 fig1 a 17 disclose additional embodiments according to the present disclosure fig1 shows a container lid assembly 1 for mixture of substances and comprises a rotatable top portion 2 and a main portion 4 the top portion 2 is provided with an actuator 3 the main portion 4 has a top edge 5 in communication with a bottom edge 6 of the rotatable top portion 2 the main portion 4 is configured with two or more compartments 7 and at least one plunger member 8 provided within each of the compartments 7 the plunger members 8 are configured to be actuated from their initial position to actuated position by means of the actuator 3 the two or more compartments 7 are provided in a central portion 9 of the main portion 4 and are open on the bottom end the main portion 4 has an outer wall 10 that is separated from the central portion 9.