The wall mountable cap display case is made of 1/8" thick acrylic with a black wood frame. It features a clear acrylic removable lid. Perfect for a collectible cap. Inner measurements: 8 3/4" x 7 1/4" x 7 1/4". Outer measurements: 13 1/2" x 7 3/4" x 12". Memorabilia sold separately.