Size: 6 x 9 - Ultra-tough, lightweight 2 mil poly mailers - 1000 pack EACH COLOR 200 PCS Our self-sealing envelopes are tamper resistant and stay closed to conveniently secure your contents Thick and dark inner lining keeps bag contents discrete and private Unpadded mailers – Ideal for non-fragile shipments or storage PAKA TOOLS brand 5x7 inch poly mailers –