Just back from sainsburys which was manic. Noticed that the In the Night Garden lunch bags were 75% off from £7.99 to only £1.99. These are quite big and fully insulated, been after one for a while but refused to pay £8 for one and they are even more than that at Amazon, but £1.99 is a bargain. They had a few at my local in Winnersh, not sure if Nationwide or store clearance price but hope it helps someone. Instore only.
BTW - they also had HSM pom poms 75% off at £2 but also half price in toy sale so only £1 - bargain if you can get them - they were in seperate clearance section.