NB: this item is new but been out of box and set up but never used before placed in storage. One of the storage door for the table needs wood glue as the covering opened slightly due to storage.
This is item number 4571607 on Argos website sells £230

the Butterfly Rectangular Dining Table is perfect for small spaces. Featuring an easy-lift extension on each side, simply pull up the extra sections and push the supporting legs into place. Complete with 4 sturdy folding chairs, tuck them away in the storage compartment below the table when out of use.

Perfect for popping out of the way until you need it, the table comes with 4 wheels so that you can move it around easily.

Part of the Butterfly collection.

Table:

Size H75, L120, W92cm.
Integral table extension.
MDF table.
Metal legs.
Wood veneer finish.
Chairs:

4 folding chairs.
Size of each chair H75.5, W37.5, D42cm.
Metal frame.
Metal legs.
Wooden seat pads and back rest.
Wood veneer finish.
General features:
Self-assembly.

If you want 6 chairs the extra 2 chairs will cost 50£