PerFit&reg; ZULU4 Ballistic Nylon Zulu Watch Strap + Spring Bars, Field Ready + Fashion Forward, Heavy Duty + Washable Amazon's #1 ZULU4 Strap Brand: Industry's only ZULU4LIFE Lifetime Guarantee + a FREE Pair of Premium Spring Bars($5.00 value) with each strap ZULU4 Straps represent the ULTIMATE form + function: FAIL-SAFE design ensures your watch stays secure even if a bar/rod/pin fails while LOOKING AWESOME doing it. Alpha Leaders in Fashion, Military, Sports, Law Enforcement, and Tech all choose ZULU4 for 3 simple reasons: #1: AWESOME MATERIALS & BUILD QUALITY - Laser sealed ballistic nylon(thick yet flexible) with matte-brushed extra-thick stainless steel hardware(Black-Ops plating option) #2: FITS EVERYONE - ZULU4 is NON-Allergenic and will fit wrists from 6 1/4"(160mm) to 9 1/2"(245mm), which means women, boys, men, and Hercules #3: WITHSTANDS EVERYTHING - ZULU4 can be washed repeatedly, worn 24 hours/365 days, and used to strap down anything, anywhere