Ultra PRO delivers premium protection for your most prized pieces with their Lucite Lucite Brik Screwdown! This is a sturdy sleeve/holder that’s capable of safeguarding your valuables, including standard-size cards (2-1/2' x 3-1/2"). The holder features a 130pt recessed area with diamond corners, Lucite slabs that have four-screw closures on each corner, and beveled edges that create a superior look and presentation from all angles. Lucite is best known for its special additives, which are used to prevent harmful UV rays from causing unnecessary wear & tear.