This rubber strap is super soft and does not attract dust. The vulcanized property gives it the durability to withstand any environment you throw at it. The slots on the underside of the strap provides ventilation. 

Specifications:

Material: Vulcanized rubber
Buckle type: Brushed
Lug width: 20/22/24mm
Number of holes: 8
Strap thickness: 3mm
For lug width 20mm, it tapers down to 18mm on buckle side.
For lug width 22mm, it tapers down to 20mm on buckle side.
For lug width 24mm, it tapers down to 22mm on buckle side.

Measurements:

Short piece length without buckle: 75mm
Long piece length: 130mm