Hollow tubing with lots of stretch and good memory. Excellent for midges or wrapping a segmented body. You can thread colored wire though the tubing or it can be filled with liquid for different optical effects.
T4E TP 50 Gen2 .50, CO₂, < 7.5 J
Fjällräven Expedition X-Lätt Jacket M
Umarex RDS 8 Red Dot Sight
Umarex UX NP 3 Nano Point 3