the present invention relates to a lid for a container , which lid is capable of sealing and being removed from the container through simply rotating a handle mounted on the lid . the lid comprises two parts to provide the ease of cleaning of the lid . the two parts of the lid can be conveniently disassembled by pushing at least one locking plate provided on the lid , and can be easily re - assembled . the present invention also provides a sealing ring which provides better sealing effect and easier mounting . a container comprising the sealable lid and the sealing ring is also provided .