Tyvek Envelopes

Expansion Envelope 100, 10 x 13 in. With 1-1/2 in expansion Quality_Park 410431 (735-QUAR4500) $228.19 /bx (Disc. 52%) Retail price $476.99 /bx	Expansion Envelope 100, 12 x 16 in. With 2 in expansion Quality_Park 1052919 (735-QUAR4520) $380.59 /bx (Disc. 52%) Retail price $795.49 /bx