Tamper-proof seals for wideneck jars, suitable for dry goods Tamper-proof seal for wideneck jars 50 ml / 100 ml, for dry goods Tamper-proof seal for wideneck jars 250 ml / 400 ml, for dry goods Tamper-proof seal for wideneck jars 200 ml / 300 ml, for dry goods Tamper-proof seal for wideneck jar 500 ml, for dry goods