Tilt watch indicators monitor shipments that must remain upright. Foolproof indicator turns white to red if package has been tilted or turned on its side. Remains unaffected by movement due to normal handling conditions. Activates at a 80 degree tilt and cannot be reset. Companion Labels SHP-8343 (sold separately) inform receivers of proper procedures when mis-handling has occurred. Provides 360° monitoring indicating the exact angle of tilt or if box has been completely overturned. Reliable and economical solution to prevent damage to goods in transit. Acts as a visual deterrent to improper handling. Activates at a 30° tilt. Includes instructional companion label.