Please allow 1-2cm deviation due to manual measurement. It is difficult to avoid damage to the product box during transportation. Customers are also requested to know before purchasing. We're committed to addressing your specific needs and building relationships that make you a valued returning customer. Your FEEDBACK is really important for us. Your 100% satisfaction is guaranteed. We will respond to your emails within 24 hours. Your better comments will be an encouragement for us to offer better quality and better service in future, thanks.