US Art Supply Art Mats Brand Premier Acid-Free Pre-Cut 5x7 Black Picture Mat Matte Face Frames. Includes a Pack of 50 White Core Bevel Cut Matte Frames for 4x6 Photos<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Set of 50 pieces of 5x7 Black Picture Matte Face Frames for 4x6 Photos </span></li><li><span class="a-list-item"> Art Mats™ Brand Premium High Quality Acid-Free Matte Frames </span></li><li><span class="a-list-item"> The opening size is 3.5"x5.5" for 4x6 photo prints. Color: Black </span></li><li><span class="a-list-item"> The mats are beveled cut with white core and 4-ply thick (about 1.4 mm or 1/16 inch) </span></li><li><span class="a-list-item"> The set is professionally Packed and Boxed to Assure that All Precautions have been made for a Save Arrival of your purchase. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51eI2f9wXML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41jXftLcb7L.jpg" noproxy>