W.B. Mason Co. Tyvek Tamper Evident Envelopes, 10" x 13", White, 100/Case

Item: BPTTYF1013TE

• This case includes 100 Tyvek Tamper Evident Envelopes
• Constructed from 14 lb olefin
• Ten times stronger than paper envelopes
• Feature a special seal that once broken, the word Opened appears in red on the flap