Whether personal communication, whether written in the form of a general nature, with visual disabilities substances or to send specific signals containing recordings dubbed is called " Literature For Blind".

Literature for blind may be registered or unregistered mail. Given unregistered is free of charge. When special services requested, special service fees are collected.

Maximum Weight: Up to 7 kg.

Dimensions

Maximum

Length, width and depth combined 90 cm, but the greatest dimension may not exceed 60 cm.
In roll form length plus twice the diameter 104 cm, but the greatest dimension may not exceed 90 cm.

Minimum

Size can not be less than 9x14 cm, with a tolerance of 2 mm.

In roll form length plus twice the diameter 17 cm, but the greatest dimension may not be less than 10 cm.