What is the difference of a n aluminum vs. fiberglass tent pole?

Tech Specs:

Material:

[body] 68D 190T polyester taffeta; [floor] 1800mm PU nylon taffeta; [fly] 75D 190T 1800mm PU polyester taffeta 

Freestanding:

yes 

Doors:

1 

Poles:

2 

Pole Material:

DAC DA17 aluminum 

Pole Attachment:

clip 

Floor Space:

99 sq ft 

Floor Dimensions:

110 x 130 x 70 in 

Vestibule Space:

29 sq ft 

Packed Size:

9 x 27 in 

Seams:

sealed floor and fly 

Ventilation:

mesh windows 

Trail Weight:

5953 g 

Recommended Use:

backpacking, camping 

Manufacturer Warranty:

lifetime