Brightline Side Pocket Echo — water bottle pocket

There are two of these in the family — Micki runs one on her flight bag and her husband runs one on his. It’s an insulated neoprene sleeve that mounts on the side of a Brightline bag and cinches down to fit any bottle from a half-liter up to 1.5 liters, and the bottle comes out and goes back with one hand. Small thing, used on every single trip — which is exactly the kind of thing that earns a spot here. — Eris