The full-size Football Helmet Display Case features a 1/8" thick clear acrylic hood. Base is 1" solid black acrylic base. OPTIONAL two-tier gold riser and black acrylic base is available for no additional cost. See listing for this case. This high-quality display case has an optional mirror back at an additional cost. See our store listing to order the mirror back helmet display case with two-tier, gold riser black base or 1" solid black acrylic base. Check our store for Football, Basketball, Hockey, and Baseball related display cases. Quality displays direct from the manufacture at affordable prices. Check out my other items! Free Shipping!!!!!!!!!!!!! This football helmet case, as well as all of our display cases are manufactured with standard 85% UV filtering acrylic Inside Dimensions: 13 3/4" long x 10 1/2" wide x 10 1/2" tall Base has an outside dimension of 14 1/2" long x 11 1/4" wide **Helmet not included