9 x 12" Tamper Evident Tyvek Envelopes. Tyvek envelopes provide superior puncture, tear and moisture protection. Constructed from 14 lb. olefin. Ten times stronger than paper envelopes. Feature a special seal that once broken, the word "OPENED"...
9 x 12" Tamper Evident Tyvek Envelopes. Tyvek envelopes provide superior puncture, tear and moisture protection. Constructed from 14 lb. olefin. Ten times stronger than paper envelopes. Feature a special seal that once broken, the word "OPENED"...