Minimum length is 2.165ft=25.98in, mininum inner diameter is 1.08fy=12.99in.
Max length is 3.28ft=39.37in, max inner diameter is 1.57ft=18.90in.
Max elastic force for the chest strap is 4.92ft=59.06in.
The two metal snaps spacing is 45mm,suitable for Polar and Garmin,etc.
The Heart rate monitor replacement chest strap is comfortable,can wash by hands,and the leanth is adjustble,suitable for most of people.

Technical Details

Size (LWH): 12.2 inches, 1.7 inches, 0.8 inches
Product Details
Product Dimensions: 12.2 x 1.7 x 0.8 inches
Shipping Weight: 0.09 pounds (View shipping rates and policies)
ASIN : B014KNCE0G