uxcell 1.6M 5ft 16mmx20mm PVC Flexible Corrugated Tubing Cable Sleeve Black Country of Manufacture: CHINA; Material: PVC Net Weight: 56g; Package Content: 1 x Corrugated Tubing Main Color: Black; Tube OD: 20mm/0.8" Tube Inner Dia: 16mm/0.6" Tube Length: 1.6M/5ft