Royal Mail Boxes | Cardboard Postal Parcel Mailing Boxes

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Our Royal Mail Boxes are premium quality products, which ensure that any item packed inside, stays safe and intact during transit.
These Postal Cardboard Boxes are available in white & brown colour options.
We stock a wide range of boxes, such as royal mail small parcel boxes & large letter boxes.
Our small parcel postal boxes are ideal for personal & professional needs.
Whether you are looking for c4, c5 or c6 postal boxes, we stock them all.
Small boxes are ideal for packaging small items and gifts.
Postage boxes are the perfect mailing solution for all types of businesses & personal purposes.

Product	Royal Mail Size Guide	Colour	Class	Size in INCHES	Size in MM	Size in CM	Price Per Box	Total Price
Royal Mail Postal Boxes (Die Cut)Sku: RMWLC4	Large Letter	White	C4	14x10x1"	349x249x24mm	35x25x2cm	£0.45 (£0.54 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Die Cut)Sku: RMWLC5	Large Letter	White	C5	9x6x0.8"	222x160x20mm	22x16x2cm	£0.35 (£0.42 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Die Cut)Sku: RMWLC6	Large Letter	White	C6	6x4x0.8"	160x110x20mm	16x11x2cm	£0.25 (£0.30 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Die Cut)Sku: RMWSP5	Small Parcel	White	Small Parcel	5x5x2"	127x127x50mm	13x13x5cm	£0.59 (£0.71 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Die Cut)Sku: RMWSP8	Small Parcel	White	Small Parcel	8x5x2"	203x127x50mm	20x13x5cm	£0.65 (£0.78 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Die Cut)Sku: RMWSP10	Small Parcel	White	Small Parcel	10x8x2"	254x203x50mm	25x20x5cm	£0.79 (£0.95 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Die Cut)Sku: RMWSP17143	Small Parcel MAX	White	Small Parcel	16x14x3"	440x349x79mm	44x35x8cm	£0.95 (£1.14 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBLC4	Large Letter	Brown	C4	14x10x1"	349x249x24mm	35x25x2cm	£0.47 (£0.56 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBLC5	Large Letter	Brown	C5	9x6x0.8"	220x160x20mm	22x16x2cm	£0.37 (£0.44 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBLC6	Large Letter	Brown	C6	6x4x0.8"	160x110x20mm	16x11x2cm	£0.27 (£0.32 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBSP333	Small Parcel	Brown	Small Parcel	3x3x3"	76x76x76mm	7x7x7cm	£0.25 (£0.30 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBSP444	Small Parcel	Brown	Small Parcel	4x4x4"	102x102x102mm	10x10x10cm	£0.35 (£0.42 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBSP555	Small Parcel	Brown	Small Parcel	5x5x5"	127x127x127mm	13x13x13cm	£0.45 (£0.54 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBSP666	Small Parcel	Brown	Small Parcel	6x6x6"	152x152x152mm	15x15x15cm	£0.49 (£0.59 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBSP755	Small Parcel	Brown	Small Parcel	7x5x5"	178x127x127mm	18x12x12cm	£0.39 (£0.47 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBSP864	Small Parcel	Brown	Small Parcel	8x6x4"	203x152x102mm	20x15x10cm	£0.42 (£0.50 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBSP866	Small Parcel	Brown	Small Parcel	8x6x6"	203x152x152mm	20x15x15cm	£0.45 (£0.54 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBSP966	Small Parcel	Brown	Small Parcel	9x6x6"	229x152x152mm	23x15x15cm	£0.49 (£0.59 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBSP1294	Small Parcel	Brown	Small Parcel	12x9x4"	305x229x102mm	30x23x10cm	£0.45 (£0.54 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBSP1295	Small Parcel	Brown	Small Parcel	12x9x5"	305x229x127mm	30x23x13cm	£0.57 (£0.68 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBSP1296	Small Parcel	Brown	Small Parcel	12x9x6"	305x229x152mm	30x23x15cm	£0.67 (£0.80 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBSP14106	Small Parcel	Brown	Small Parcel	14x10x6"	349x249x159mm	35x25x16cm	£0.71 (£0.85 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBSP17143	Small Parcel	Brown	Small Parcel	17x14x3"	449x349x79mm	45x35x8cm	£0.77 (£0.92 inc. VAT)	£0.00 (£0.00 inc. VAT)
Royal Mail Postal Boxes (Standard)Sku: RMBSP17146	Small Parcel	Brown	Small Parcel	17x14x6"	449x349x159mm	45x35x16cm	£0.87 (£1.04 inc. VAT)	£0.00 (£0.00 inc. VAT)