21x31 Deep Blue Mat for 17x27 opening (Mat Only, Frame Not Included)
Deep blue 4-ply mat for 21x31 frames with a 17x27 opening. lignin-free and pH-neutral. customers note accurate measurements and excellent fit
Highlights
- lignin-free, pH-neutral material
- accurate opening fit
- custom opening option via seller
Pros
- 4-ply mat material
- lignin-free and pH-neutral
- accurate measurements
- appealing color and fit
- customizable opening size by request
Cons
- opening size may be changed only by customer request
- frame not included
Best For
Features
- Mat uses standard 4-ply material common in custom frame shops
- Lignin-free and pH-neutral materials ensure stable mounting
- Mat fits a 21x31 frame with a 17x27 opening (actual opening 16.75x26.75)
- OPENING SIZE requests may be changed by customer only for orders from ArtToFrames; otherwise opening defaults to listed size
