100-Pk 11" Gardner Bender DoubleLock UV Resistant Cable Zip Tie (75 lb Tensile) $5.90

Amazon.com has Gardner Bender 46-310UVB DoubleLock Cable Tie, 11 inch, 75 lb, Electrical Wire and Cord Management, Nylon Zip Tie, 100 Pk, UV Resistant Black for $5.89. Shipping is free with Prime or on $35+ orders.