Made with lightweight, but sturdy 1mm thick recycled sterling silver,  I do all the filing and sanding before adding the twists to these
 
Fully UK hallmarked including the coronation mark, I have a number of these available
Punched in London with the date mark for 2023:
 
A is 19cm in circumference (7.5 inches)
C is 23cm in circumference (9 inches)
 
And laser marked by Edinburgh with the 2024 Coronation Mark in the following options:
D is 17cm in circumference (6.75 inches)
E is 17.5cm in circumference (6 7/8 inches)
F is 18.5cm in circumference (7.25 inches)
G is 19.5cm in circumference (7.75inches)
H is 20.5cm in circumference (8 inches)
J is 21.5cm in circumference (8.5 inches)
K is 22cm in circumference (8 5/8 inches)
 
Listing is for one bangle. If you'd like a different size, please message me for timescales.