Survivor® 10 x 13 x 1-1/2 DuPont Tyvek Expansion Mailers with Self-Seal Envelopes

Expansion - 10" Width x 13" Length - 1 1/2" Gusset - 14 lb - Peel & Seal - White - Tyvek - 100 / Carton. Strong, lightweight, Tyvek material is half the weight of heavy-duty paper envelopes to save on postage when mailing; expands 1-1/2" to accommodate bulky items. Repels water and resists acids, bases, salts, rot, mildew and stains; perfect for storing taxes and essential papers in your home office.