We guarantee the item is an authentic, certified product. Please provide your final offer for price negotiations. Some items, such as those with many likes or the lowest price, are not subject to price reductions. Please consider a maximum discount of around 5%. Size: Approximately 14.5cm wide x 5.9cm long [Authenticity Guarantee] In the unlikely event that the item is determined to be a counterfeit, you can return it with confidence. Management ID: B379