This 2 pack of AMiGAZ adjustable Black Paracord slider bracelets are made with Black paracord  (Parachute Cord)  they have a unique "slider" system that is completely adjustable to fit a 6 1/2"- 9" wrist and they are super-wearable, strong, durable and comfortable! Featuring double-wrapped “slider knot" (Parachute Cord) para cord that is 550 Lb. tested with a 7 Strand Core  5/32 Inches.