2 flaps of cloth that can be fastened with hooks and eyes are fitted on a painted wooden frame. Used to introduce the child to fastening/ unfastening hooks. The cloth can be removed from the frame for ocassional cleaning. Difference with Premium:Differences is in the material used for making the frames. Also, the cloth used is different in the economy and premium range. Also, the frames are painted in the economy version whereas in the premium range the frames are polished wood.