The Dyneema Sling is 10.0mm wide. Both ends are connected with nylon stitching. Dyneema is high strength, lightweight and doesn't absorb much water compared to nylon.
Slings EpicTV
Edelrid Dyneema Sling II 8mm 240cm, Slings and Webbing
Climbing Slings Tagged sling-length-240cm - Rock+Run
DYNEEMA SLING 11mm, climbing gear
Edelrid - True Outdoors
Edelrid Dyneema Sling II 8mm 240cm, Slings and Webbing
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Mammut Dyneema Contact Sling - 8mm - Climb
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Nylon Tubular Open Climbing Sling - 240cm – Mountain Equipment
Edelrid Dyneema Sling 8mm II, 240cm - True Outdoors