BULLET RESISTANT CLEAR VISION PACKAGE RECEIVER. Level 1 or Level 3 Bullet Protection. Designed for interior use only. Satin finish aluminum extrusions are used to fasten the sides and bottom together. Bottom is constructed of plywood and bullet resistant fiberglass covered with plastic laminate. A special interlocking mechanism allows only one door to open at a time. Closer furnished on customer side door. Contents are in full view to clerk with out opening inner door from the top and all four sides. Handing is determined by hinge placement on customers side.