Cable Ties, Electrical 8-Inch Natural, 500-Pack 75lbs Tensile Strength $4.
88 free shipping with Prime (FSSS) from Amazon
These always come in handy
DoubleLockTM Design
Meets military spec MS3367
UL listed
-40 to 185 deg F
75lbs Tensile Strength
Link: http://www.amazon.com/GB-46-507-Electrical-Natural-500-Pack/dp/B000BOB3RO