40L Clear underbed storage box with grey lid £4
50L Pink or Blue storage/toy box £4.99 with Lid. Looks sturdy.
Also other storage boxes on offer
Saw these instore. Can't find online. Can't find search facility on website.
I'm sure soemwhere like Ikea would do these cheaper, but I don't have an Ikea for miles. Thought it might be useful to someone.