Deff is trusted by more than two thousand Amazon.co.jp customers in Japan. They have been selling on the Amazon.co.jp marketplace since 2011. They offer hundreds of products.

They are a Top 10000 Amazon.co.jp seller, ranked 5,541st overall. They have improved from the 9,064th position last month. Seller rank is based on the number of positive reviews received during the last 30 days.

Deff business name, phone number, address, and email might be available on their profile on Amazon. For customer service, returns, refunds, and other issues, contact Amazon.co.jp.