A lid assembly for a container. The lid assembly has a lid body, a flap, a seal and a button. The lid body has a lid opening. The flap is pivotally connected to the lid body and pivots away between an open position and a closed position. In the closed position the flap closes the lid opening. In the open position the lid opening is open and a cavity of the container is accessible therethrough. The seal is connected to one of the lid body or the flap to seal the opening when the flap is in the closed position. The button is pivotally connected to the lid body and pivots between an actuated and an unactuated position. When the button is moved to the actuated position the flap moves to the open position.