High-quality Titanium, permanent color, corrosion and scratch resistant finish
Sturdy and durable, can be worn as a ring or necklace
Tril Vials glow bar automatically glows in the dark
Luminous tube glow bar can be recharged by any light source with high glow, just shine it less than 3 mins and it can be last more than 3 hours, the best glow bar instead of Tril vials.
Dimensions:
Length: 31.7mm / 1.25in
Outer diameter: 27mm / 1.06in
Inside diameter: 3 options - 22mm (L), 20mm (M) and 18mm (S)