Pack of 10 Medium Polythene Mailing Bags 24x32cm Secure Peel & Seal Envelopes. These medium 24x32cm mailing bags provide a versatile packaging option for sending folded clothing, books, accessories, small gifts and general ecommerce orders. Crafted from durable polythene, they offer a lightweight yet strong solution that helps reduce postage costs while maintaining a professional appearance. The high tack peel and seal strip delivers a secure, tamper resistant closure that keeps your items safe throughout the delivery process. With a waterproof and tear resistant design, these bags protect your parcels from rain, rough handling and storage conditions, making them ideal for small businesses and home shipping.