Model Number

1056D,1070D

Tyvek envelope the best protection of the inside product
The envelope manufactured by DuPont Tyvek exclusive shielding material is tenacious and durable. It can experience the test of various extreme conditions. It is light, water resistant, and tear resistant and can defend to pierce. It is not paper, but Tyvek to protect inside documents and goods which you want to protect

Envelope

·Defend to piece, tough, material
for environment protection
·Precise printing, a performance
of international image of
enterprise.
·Lightproof, safeguard correspondence
secret
·Tear-resistant, guaranteed the perfect
correspondence of long-distance mails
·Good water resistance, the liquid
corrosion resistance
·Lightweight (1/3 weight of similar
thickness kraft paper) to save the
postage