All 6 mats are sized to cover 1/8 of the edges of your miniature ACEO Artwork. The opening size is 2 1/4 X 3 1/4 You can choose either an outside
6 ACEO Picture Frame Mats to Fit 2.5 x 3.5 Photos or Art Miniatures Color Variety Choose Your Frame Size Conservation Name Brand Matting
Postcard Frame 3.5 X 5.5
Post Card Frame for 3.5 X 5.5 Post Card Black Frame with White (Black Trim) Matting
Postcard Frame
ACEO Mat 5 X 7 Frame Size Black Gray Cream - Canada
Original Watercolor Painting With Mat Peace Rose Watercolor and
6x8 Print 8x10
Postcard Frame 3.5 X 5.5
White Frame Mat
Original Painting Garden Gnome Watercolor and Colored Pencil 18x13
Frametory, 5x7 White Pre-Cut Picture Mats for 4x6 Photos, Prints, Artworks - White Core Bevel Cut 3.5x5.5 Openings Acid Free Frame Mattes 1.4Mm Thickness - Pack of 12