First Class, Open Side, Expansion, Tyvek Envelopes, 18 lb. Heavy Duty
Virtually indestructible! WATERPROOF, and LIGHTWEIGHT. White Flap-Stik Seal.
Open-Side, Expansion, First Class, 18 lb., White.
Made of 18 lb stock making these Tyvek envelopes even stronger than the usual 14 lb ones.
Save 15% on Business Envelopes.
From now until August 14th, 2019. Use keycode 1907MS. Offer can not be combined with other offers. See all items on sale.
This Tyvek envelope may not be imprinted.