Heat Shrink Tube Protector Wire Cable Sleeves for iPhone Chargers Diameter 0.23" Fits for iphone 5/5s/6/6plus Use a flame to create an airtight, rigid seal around your wire Stop buying new chargers Helps prevent burn-through, hardening Package included: 1pcs Diameter: 6mm/0.23" Cable Sleeves in Length 1m/39.3"