Manhole covers in Hiroshima are made of metal

and are round in shape

.
As in other cities in Japan, many covers in Hiroshima are colored

. No gilded covers were found.
The city emblem sometimes appears on the covers

.
The designation of the covers usually appears: sewer covers are marked with the word SEWER

, and fire hydrants are marked with the word 消火栓

.
As with many covers in Japan, the covers feature typical landscapes or commemorations of historical events

, charms and sports team symbols

, and covers dedicated to peace following the atomic bombing of the city

.
Manufacturers The names of manufacturers usually do not appear on the covers.
Standards The covers do not include standard markings.