1. This is Asian Size, it is 2 size smaller than EU/US size. If you wear EU/US size M,you can select our size XL. 2. As measured by hand,1-3 cm difference is allowed (1cm=0.39inch). 3. Different computer can display different colors even if it is the same color.please allow reasonable color difference. 4.Normally we can send your order within 3 days after the payment, If not, please contact us to check the problem.