100% Water Proofed, Material: Silver plated Brass
If it doesn't fit on one finger you can always try it on another finger. Easy size exchange just return it by post
Size Guide
EU10= diam 16 mm (DE 16 FR 52 UK K 1/2)
EU12= diam 16,5 mm (DE 16,5 FR 53 UK M)
EU14= diam 17 mm (DE 17,2 FR 55 UK O)
EU16= diam 18 mm (DE 18 FR 58 UK Q)
EU18= diam 18,5 mm (DE 18,5 FR 59 UK Q 3/4)