Keepsafe LightWeight Envelope Polythene Opaque C4 W235xH320mm Peel & Seal Ref KSV-L2 Pack 100 Keepsake Polythene envelopes are ideal for mailing purposes. They can be written on and compatible with stamps and labels. They have a Peel and seal closure for optimum security and film thickness of 50 Micron.
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