Each PostMarked Greeting Card & Keepsake Infinity∞Sleeve™ consists of two transparent archival chambers that are ideal for storing greeting cards and their envelopes. When stored and used properly, our Infinity∞Sleeves™ will protect your greeting cards, postcards, photos, and other cherished keepsakes from a long list of archival irritants including skin oils, fingerprints, acidic residue, dirt, and dust.

 
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