If you are not sure about your size, you can ask customer service about your size About Transportation: Ship within 3-5 days, delivery within 15-20 days (delivery within 10 days in some countries, 30 days in Africa or countries far away from China) Tips: 1. This is a Chinese factory shop, we will provide you with high quality and low cost products. 2. If you are a wholesaler, please contact customer service online and we will give you the best price so that you can get more benefits. 3.We also accept DIY customization or Kids styles, please contact us.(All can be customized) 4.Color may be little different due to monitor. Hope your kindly understanding!