These Greeting Card Sleeves for single cards with envelopes are made from 1.5 mil crystal clear polypropylene. This material is acid-free and archival. The contact clarity is superior and the material adds a sparkle that enhances the look of the sleeved items. 

We are now stocking two styles of resealable sleeves:
• Resealable tape on the flap
• Resealable tape on the body

Sleeves are available for the following card sizes:
• 4 Bar - 5-1/8 x 3-5/8"
• 5X5" Cards 
• A2/5.5 Bar - 5-3/4 x 4-3/8"
• A6/6 Bar - 6-1/2 x 4-3/4"
• A7 - 7-1/4 x 5-1/4"
• A9 - 8-3/4 x 5-3/4"