Set of (30) 16x20 8-ply white mat for 11x14 photo w/ Back + bag
Any question? Please call us at 650-226-8119. The backing is 4-ply thick.The re-sealable adhesive strip of the clear bag is below the opening of the bag instead of on the flap.This mat is 8-ply thick (double the thickness as the 4-ply mat).