The covers in Rethymno are generally made of metal

 

and are either square

 

or circular

 

in shape.

No colored or gold-painted covers were found in Rethymno, nor were any covers bearing the city’s emblem.

In most cases, it is not known which utility the covers serve, and their purpose cannot usually be determined, except for drainage covers, which can be identified by their drainage slots

 

.

Most of the covers are not particularly distinctive and typically feature a pattern of squares

 

or other designs commonly found on covers in Greece

 

.

Manufacturers
Most of the covers were produced by Greek manufacturers: Delta Zita

 

, IAS

 

, Viofre

 

, and others.

Standards
The covers often bear the European standard EN124

 

and its associated load classes (A15-D400)

 

. Other international standards have also been found.