Golden State Art,Pack of 200, 5x7 White Backing Board with Brown Core

Backing Board Type Guide

Pack of 50, 12x12 Pre-cut Mat with Whitecore fits 8x8 Picture + Backing + Bags.

Golden State Art,5x7 White Backing Board with Browncore

Golden State Art Acid Free, Pack of 50 11x14 White Picture Mats Mattes with White Core Bevel Cut for 8x10 Photo + Backing + Bags

Golden State Art,BOGO 11X14 White Frames For 11x14 Picture and Real Glass ,Set of 2

Pack of 25/50/100/200 5x7 White Picture Photo Mat with White Core for 4x6 Photo

Golden State Art, Pack of 50, Bright White 5x7 Uncut Backing Board/Back Boards for Frame : Electronics

The opening size is 3.5x5.5 for 4x6 print. Color: Mix Color The mats are beveled cut with white core and 4-ply thick (about 1.4 mm or 1/16 inch), The backing is white on both side. The re-sealable adhesive strip of the clear bag is below the opening of the bag instead of on the flap. Any question?.

Golden State Art, Pack of 10 Mix Pre-Cut 5x7 Picture Mat for 4x6 Photo with White Core Bevel Cut Mattes SETS. Includes 10 High Premier Acid Free

This item comes with 50 single white mats, 50 backing, and 50 bags. The opening size is 3.5x 5.5 for 4x6 print. Color: White The mats are beveled

Golden State Art, Pack of 50 White Pre-Cut 5x7 Picture Mat for 4x6 Photo with White Core Bevel Cut Mattes Sets. Includes 50 High Premier Acid Free

Pack of 200, 5x7 Pre-cut Mat with Blackcore fits 4x6 Picture + Backing + Bags.

Golden State Art,8.5x16.3 White Wood 3/4 Frame for 5x7 Picture and White Mat

Golden State Art, Acid Free, Pack of 10 5x7 White Picture Mats Mattes with White Core Bevel Cut for 4x6 Photo + Backing + Bags : Arts, Crafts & Sewing

18x24 Pre-cut Mat with Whitecore fits 12x18 Picture + Backing + Bags

200 5x7 Backing Board