White Paper Direct Thermal Barcode Label 4x6 roll GSM80GSMWhite Paper Direct Thermal Barcode Label 4x6 roll GSM80GSMWhite Paper Direct Thermal Barcode Label 4x6 roll GSM80GSMWhite Paper Direct Thermal Barcode Label 4x6 roll GSM80GSMWhite Paper Direct Thermal Barcode Label 4x6 roll GSM80GSMWhite Paper Direct Thermal Barcode Label 4x6 roll GSM80GSM