- White First Class
- Size: 10x13"
- Durable Tyvek® is a unique, super strong material that provides contents with superior protection
- Tear-Resistant Tyvek® envelopes are 4 times stronger that 28-lb. kraft, yet weigh 40% less so you can pay less postage
- Water, tear, and puncture resistant
- Release-strip® feature for easier opening and increased security
- Product Information
Envelope Pack Size :100 Per Pack
Envelope Size :10 x 13"
# of Windows :0
Paper Weight (lbs) :28-lbs
Weight :3.20 lbs. per Hundreds