Shellpak® packages are firstoftheirkind blister packages. Thin, molded plastic &ldquoshells&rdquo protect fragile pills. The shells are manufactured by using injectionmolded, fdagrade, highimpact polystyrene. The design comes in a standard configuration that runs easily on most existing line equipment, so manufacturers can maintain efficient, speedy and economical processing on production lines. A pushbutton technology lets seniors in and keeps children out. And a wide range of configuration options and generous space for graphics open up unprecedented marketing and branding opportunities.