21x33 Charcoal Mat for 17x29 Opening (Mat Only, Frame Not Included)
Charcoal 4-ply mat with 17x29 opening for 21x33 frames. lignin-free and pH-neutral material; fits 17x29 photo with opening 16.75x28.75. Custom size can be requested within 2 hours of order
Highlights
- lignin-free, pH-neutral mat material
- fits 21x33 frame with 17x29 opening
- custom opening sizes available on request
Pros
- 4-ply mat construction
- lignin-free and pH-neutral materials
- fits 21x33 frame with 17x29 opening
- custom opening size option via seller contact
Cons
- opening size may not match exactly for some orders
- mixed customer feedback on dimensions
- some consider it expensive
Best For
Features
- 4-ply matte board suitable for custom frame shops
- Lignin-free and pH-neutral material compatible with 21x33 frames
- Opening size 16.75x28.75 for a 17x29 photo
- Customer-specified opening sizes available via request after order
- If no custom size request is received within 2 hours, the standard opening is used
