Stop replacing iPhone charger cables. This covers the sensitive area where the charging cable meets the charging plug preventing the cable from bending at it weakest point.
The savers soft rubber material at the connector disperses pressure, and its hard plastic casing futher strengthens the fitting, providing extra protection from sharp objects and effectively extending the life of your Apple cable.
Inner rubber layer absorbs impacts and prevents harmful twists and bends that damage cable
Outer layer protects your cable(s) against daily wear and tear.