Self-Adhesive Packing List Envelope Moisture and tear resistant plastic envelope protects packing lists from water and handling damage. Permanent adhesive backing keeps documentation securely in place. Moisture and tear resistant plastic envelope protects packing lists from water and handling damage. Permanent adhesive backing keeps documentation securely in place. Printed "Packing List/Invoice Enclosed." Large, clear window under printing allows shipping papers to show through and serves as address label. Global Product Type: Envelopes/Mailers-Packing List; Envelope Size: 5 1/2" x 4 1/2"; Envelope/Mailer Type: Packing List; Closure: Self-Adhesive.