Originally Posted by paddingtonbear

They don't sell the thicker ones anymore:

https://olfa.com/products/olfa-rm-mg...ng%20workspace.

This link shows that the 3mm ones are discontinued:
https://olfa.com/collections/profess...en_cutting_mat

My local fabric shop has it advertised as 3mm but when I asked what the actual thickness of the mats in store was they realised they are now 1.5mm thick. She's changing their website.