These are 4-ply acid free, 100% cotton pre-cut mats. Made with Bainbridge Alphamats, in Antique (Cream), these mats are sized for 9" x 12" small posters, letters, diplomas, photographs, inkjet prints and artwork.
Museum quality mats will fit into any standard 16 x 20 frame.
Mat board size:
16 x 20
8-3/4inches x 11-3/4 inches
Custom sizes available, just click here for inquiries.