• Set of 10 pieces of 18x24 picture mats for 13x19 photo with backing boards and bags
• This item comes with the 10 pre-cut mats, 10 backing boards and 10 clear bags
• The opening size is 12.5"x18.5" for 13x19 print. Color: White
• The mats are beveled cut with white core and 4-ply thick (about 1.4 mm or 1/16 inch)
• The re-sealable adhesive strip of the clear bag is below the opening of the bag instead of on the flap