Business Source Tyvek Side openning Envelopes
Business Source Tyvek Side-openning Envelopes - Expansion - 12" Width x 16" Length - 2" Gusset - Peel & Seal - Tyvek - 100 / Carton - White Tyvek Envelopes are super strong, moisture-resistant and tear-resistant. These 14 lb. plain envelopes feature an open-side design for easy insertion of documents. Convenient peel-to-seal closure requires no moisture to close.