This is a part-used 1litre can of Cuprinol garden furniture restorer - suitable for hardwood items. I haven't opened it, but I'd guess it's at least 3/4-full.
A gel formulation which [quote] "Brings back the original colour of weathered teak and other hardwood furniture."
Cuprinol garden furniture restorer (Ainsdale (PR8))
This offer has been gifted to someone and is no longer available.