The best matboard for your framing project? Peterboro museum matboard, of course.
Peterboro Soft Cream Museum 8 Ply Mat Board
This smooth 8-ply mat is a light cream color with a continuous core. Peterboro Museum mats are made from 100% pure cotton pulp, featuring top-to-bottom cotton fiber for extra strength and rigidity.
Mat board made of cotton – “rag” board – is multiple layers, or plies, of cotton board that have been color dyed and combined in 4-ply, or 8-ply versions.
Custom mats for frames aren't always needed, but they're always worth serious consideration.