BLACK SHADOW BOX FRAME: Inner display size 16" x 20" with 1" effective recess; Outer dimensions 18" x 22"; ARRANGE AND DISPLAY YOUR MEMORABILIA: Suitable for showcasing graduation cap and tassel, tshirts, military medals, pin collection, crafts, tickets, vacation souvenirs, report ...BLACK SHADOW BOX FRAME: Inner display size 16" x 20" with 1" effective recess; Outer dimensions 18" x 22"; ARRANGE AND DISPLAY YOUR MEMORABILIA: Suitable for showcasing graduation cap and tassel, tshirts, military medals, pin collection, crafts, tickets, vacation souvenirs, report cards, flowers, sports memorabilia, magazines, 3D art and awards PRESERVE AND PROTECT YOUR MEMORIES: Polycarbonate transparent element with UV protection, stronger than glass and acrylic, will not shatter; The frame itself is made of PS that is not subject to humidity VERSATILE: Use linen back or flip to use black felt back. Hang this shadow display box horizontally or vertically on the wall 16 White headed pins included