C5 - 222x160x20mm. Made in the UK.
Royal Mail PIP Large Letter EcoFriendly Cardboard Postal Mail Box DL C4 C5 C6 UK
A5 / C5 LARGE LETTER BOXES 22.5x16x2cm Royal Mail PiP Parcel Box Cheap Postal UK
Large Letter Box Suitable for Royal Mail PIP Brown C5 22x16x2 cm Pack of 50 Boxs
Royal Mail PIP Large Letter Eco Friendly Cardboard Postal Mail Box DL
A6 / C6 LARGE LETTER BOXES 16x11x2cm Royal Mail PiP Parcel Box Cheap Postal UK
50x A5 Royal Mail Large Letter Box (PIP) C5 Postal Eco Friendly Cardboard A5
