375x285x250mm (LxWxH). Were used for transporting IT kit internationally so they are sturdy - each box has a separate box inside it making each wall about 10mm thick.
There are about 25 of them; take as many as you want.
Collection from near UWE ASAP before we have to crush them.
Sturdy cardboard boxes (Bristol Business Park BS16)
This offer has been gifted to someone and is no longer available.