"X100 Titanium Bracelet Carbon is the sleek bracelet with X100 Aqua Titanium Technology.This Bracelet looks great with your formal outfit aswell and great in any scenes of your daily life.The carbon fiber is placed at the closure of the sleek design. And the metal part is Phiten Pure Titanium.First, hook the carbon part into the loop. Then, slide the silver piece down to make it tight, so that it stays and secured.For the cloth of the bracelet body, 66 Nylon is used, which is the same material as Bulletproof Vest for its durability. MATERIAL: Cloth-66Nylon, Core-Elastomer, Clasp-Pure Titanium, Carbon TECHNOLOGY: X100 Aqua-Titanium, Micro Titanium Sphere"