Blake Purely Packaging Postal Boxes are the easiest to assemble postal boxes available - construct with just one touch!A user-friendly auto-lock base sits effortlessly into position providing a strong, rigid postal box. Available in several sizes with tamper-evident peel and seal closure for secure sealing and handy ripper strip for hassle-free opening. No mess, no fuss, no extra packing tape needed. Send parcels quickly and efficiently in one simple step.. Construct with just one touch!. Quick assembly. Peel and seal strip seal - no extra packing tape needed. Secure, tamper-evident closure. Convenient ripper strip opening. Constructed from recycled corrugated kraft cardboard. Durable, strong and rigid. Size: 305 x 215 x 140-220mm. Pack of 20