Please message me immediately before leave us neutral feedback or negtive feedback, We will try our best to resolve any problem for you untill you are satisfied. 20-30 days to UK, Germany, French, Australia, Canada, etc, Over 30 days to other countries. If the item you received is damaged or defective, Please Leave message to me immidately. Our guarantee does not cover accidental damage or wear of product caused by customer. Thank you very much for your understanding!