3kg is a lot of icing sugar, so not everyone will want this. Supermarket price is generally about £1 for a 500g pack, so this is about half price.
Caster sugar also available in big packs, although the saving is not so great.
Caster sugar also available in big packs, although the saving is not so great.
They also have T&L granulated and caster sugar at very competitive prices if you want big bags.
All Tate & Lyle.
True. Not worth joining Costco just to get this - unless you do a huge amount of baking, but well worth looking at if you are already a member.