Abstract: A lid assembly comprising a lid portion and a frame portion, one said portion being adapted to receive the other portion to seal a container fitted with the lid assembly wherein the receiving portion has tamper-evident means connected thereto as a frangible bridge while the other portion has a hinged tab and wherein, in the untampered state, the frangible bridge is intact and prevents rotation of the hinged tab while, on breaking the frangible bridge, the hinged tab is able to rotate about its hinge, allowing opening of the lid.