A Pack Of 10 x single wall postal mailing cardboard boxes, specifically manufactured to meet the maximum external size allowed by Royal Mail under their new 'small parcel' guidelines, enforced on 1 April 2013. Perfect for fitting anything that can be sent as a small parcel, providing an all round box for all these items, ensuring that you keep postage costs down.These top quality and presentable boxes are manufactured in standard 0201 single wall box style as pictured. The dimensions are as follows:Internal Dimensions - 442x342x66mm External Dimensions - 449x349x79mmClick here to view the full royal mail 'small parcel' regulations enforced on 1 April 2013, and the corresponding box sizes that we stock which meet this criteria.