The luggage attachable cushion device sections are held together with pliable hinges at the folding lines for wrapping the device around average carry on luggage. The output assembly comprises a lower output tray element for receiving the sheets. The present invention also provides reagents for use in an automated environment for removing or etching embedding media by exposing a biological sample to be stained in histochemical or cytochemical procedures without the dependence on organic solvents.