The Navy Midshipmen black framed wall mountable logo helmet display case is made of 1/8th inch thick acrylic. It features a removable clear acrylic lid with mirrored back and a black acrylic base. Officially licensed by the LRG and the US Naval Academy. Inner dimensions: 15 1/2 x 12 3/8 x 10 3/4. Outer dimensions: 20 1/4 x 17 ½ x 11 1/2. This is for the display case only. Memorabilia not included.