GM CLIMBING 6mm Double Braid Accessory Cord is in particular designated for outdoor recreation activities, like making prusik loop, lanyard, ice
GM CLIMBING 6mm Accessory Cord Rope Double Braid CE/UIAA
Edelweiss Prusik 6 mm semi-static cord is the top in terms of versatility and resistance to abrasion.
Edelweiss Prusik 6 mm semistatic cord
Ropes – 9c Climbing
GM CLIMBING 12in 6mm Prusik Loop Pre-Sewn for Climbing Arborist Rescue Mountaineering General Outdoor Use (Red, Single Unit) : Sports & Outdoors
6mm nylon cord is useful as a prusik cord, recommended for 11 to 13mm mm ropes. It's also great in mini-haul systems and has a few rescue uses too.
Beal 6mm Accessory Cord
The extended rappel, explained — Alpine Savvy
GM CLIMBING 6mm Accessory Cord Rope Double Braid CE/UIAA (Black, 20ft) : Sports & Outdoors
A Comparison Review of Prusik Cord Options - Black Sheep Adventure Sports
New England Ropes Cut Cord 6mm x 30