24 Jul 500 – 9.75 x 12.25 EcoSwift Self Seal Rigid Ship Flats Cardboard Envelope Mailer
... 500 Self-Sealing Cardboard Mailers Highest Quality and Value (9.75" x 12.25") Product Specifications: Dimensions: 9.75" x 12.25"Thickness: 250 GSM Quantity: 500 Pieces Additional Details: Self-sealing, peel and stick, adhesive keeps contents secure and tamper proofExtremely durable and lightweight cardboard material helps save on postageProvides...