Plasterboard adhesive - 1.5 bags, out of date (Guiseley LS20)
One and a half bags of plasterboard adhesive (25kg bags). Still in dry powder form and useable. However! It sets much quicker than when fresh (20 mins compared to 2 hours) - so only usable for small areas or filling holes.
This offer has been gifted to someone and is no longer available.