they are made of mil-spec 550 (paracord) roughly 50' for a 3' sling
and will have 1/8" quick links on the ends( unless a custom attachment system is needed)
$50
color i have are OD, black, coyote, multicam, foliage.
these are made to order and do take time to make so i will give you a time frame upon ordering
2 available now both in od/coyote one has grimlock clips and one has quick links!