manual measurement allows 1-3 cm error.please refer to our size pictures carefully due to many factors, such as computer screen resolution, brightness, contrast, etc., the real color may be slightly different from the picture the delivery time depends on the destination and other factors. sometimes your order may be affected by extreme weather, strikes or other unexpected events by default, we do not send shoe boxes. if you need a shoe box, please contact us and we will tell you how to get a shoe box buyers can return item(s) for a refund within 7 days from the day the item(s) were received, and the buyer is to afford the return the cost.syi