Gold Legion Flight Ring Superhero,Upgraded Version size 11 Gold Legion Flight Ring Superhero,Upgraded Version size 11 11 (US & Canada) = V1/2 (UK, Ireland & Australia) = 23 (China & Japan) Inside diameter: 0.81 inch or 20.57 mm Inside circumference: 2.54 inch or 64.6 mm colour:as picture handing time:1-3 days shipping time:it usually takes about 15-25 days for standard shipping,expressed shipping takes about 3-7 days.