A closure arrangement for a polymeric bag having a pair of opposing films which comprises first and second, opposing base strips each having inner outer surfaces with the outer surfaces adapted for attachment to the films. The inner surface of the first base strip includes a plurality of low-temperature sealant ribs which are connected to a peelable strip on the inner surface of the second base strip. The connection of the plurality of low-temperature sealant ribs and peelable strip form one-time peelable seals.