This bracelet is made of very dark blue transparent glass and has a lighter blue and white centre. The main body of the bracelet is silver plated.  It is adjustable and can be squeezed in or stretched out to fit.  
 
Please note each piece is made by hand and therefore the product may vary slightly from the picture. 
 
Glass dimension:   2.6 x 2.6cm
 
Widest part of bangle 6.5cm