Classic plastic letter box CLASSICO made of polystyrene The CLASSICO plastic letter box is an impressive addition to the front garden with its rounded design and very robust surface. It is 38.4 cm wide and 37.5 cm tall; its depth is 14.5 cm. Post up to size C4 can be easily inserted through the slot. Secured by a snap lock. The newspaper holder is not included and can be ordered as an accessory.