1. Plastic bag for inner packing of Green Metric Hydraulic Cylinder Piston Rod U Cup PU Lip UN Oil Seal Ring 2. Carton box for outer packing of Green Metric Hydraulic Cylinder Piston Rod U Cup PU Lip UN Oil Seal Ring 3. Green Metric Hydraulic Cylinder Piston Rod U Cup PU Lip UN Oil Seal Ring can also be packed according to customer's requirements.