Biodegradable Reusable Poly Envelopes are made from acid-free polypropylene which contains an additional additive that allows it to biodegrade when tested according to the ASTM D5511*
Expandable fit. Trade cumbersome boxes for these flat, easy-to-store envelopes with expansion which is intended to accommodate thick, bulky items.
Credible construction. Match company standards with ultra durable paper made with DuPont™ Tyvek® material manufactured to resist water, tears and bends to fully preserve the contents.
