Business Source Tyvek Expansion Envelopes - Document - 10" Width x 13" Length - 1 1/2" Gusset - Peel & Seal - Tyvek - 100 / Carton - White

Quality Park Flap-Stik Open-end Envelopes - Catalog - 10" Width x 15" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White

Quality Park Survivor Tyvek First Class Envelopes - First Class Mail - #12 1/2 - 9 1/2" Width x 12 1/2" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White