Mystic Knotwork: Manila Door Mat Rug Prolong Knot 5 Pass. This serviceable but beautiful door mat takes over 120 feet of 1/2" manila rope to tie. It is about 41" long and 15" wide. Manila rope will last for decades and it beauty only improves with age. This rugged mat is good for wiping boots on at both the back door, and the front entryway.