NEW White Square Postal Packaging - Outer Box Only - 180x180 x 45mm PK of 10 NEW white Square Postal packaging pk of 10 £6.00 Quantity: at £6.00 each Add To Basket White postal packaging boxes sturdy for posting. Supplied flatpacked. Ideal for shipping cake sample packaging, brownies, large cookie box, chocolates, gifts and more. 100% recyclable. Shredded paper sold separate.