Lifetime Warranty

BONAVENTURA Lifetime Warranty

BONAVENTURA products come with a lifetime warranty.
(For warranty terms, please see here.)


By registering for the warranty, you can receive the following lifetime warranty services.
If you shop at the official online store or directly managed stores while logged in after registering as a member, warranty registration will be completed automatically.
If you shop at a store other than the above or when not logged in, please prepare the warranty card that came with the product and register the warranty here.

Our lifetime warranty is a warranty system that provides after-sales services such as repairs to customers who purchase from BONAVENTURA.

Replacement of hard case for diary case

At BONAVENTURA, we have a lifetime guarantee on the replacement of the hard case part of the diary case that holds your smartphone.
As long as the leather is usable, we will replace the hard case part as many times as necessary free of charge.
*However, we may not be able to handle models that have been manufactured many years ago and are no longer manufactured by our company.
In addition, since the replacement of the hard case can be done at home, we introduce a hard case kit that you can order yourself.
If you would like us to replace or repair the case, the repair period will be about two weeks.

  • Other repairs
If you have any problems or concerns about the product, please contact us via the Repair Reception Form .

We will repair any defects caused by our company within two years of purchase free of charge. However, please note that in the following cases, repairs will be charged even if the product is within the warranty period.
※Warranty period: Updated on September 1, 2023
※The warranty period for ribbon scarves is one year, but please contact us even if the warranty period has expired.

- Damage caused by misuse, such as excessive impact or strong force, or carelessness.
- Damage caused by improper repair, modification, or repair by a company other than ours.

For other details on the warranty, please check here.
The repair period varies depending on the content, so please contact us each time.

Please note that depending on the condition, structure, and material of the product, repairs may not be possible or the specifications of the repair parts may change, and we may not be able to meet your requests.

About order numbers

  • Official online store... 5-6 alphanumeric characters starting with "BJP"
  • Amazon official shop... "3-7-7 digits" number string
  • Rakuten official shop... "6-8-10 digits" number string

※The following products are covered by the lifetime warranty.
・Leather notebook Nobile leather
・Nano glass coating spray
・Leather care kit
・Fragrance products
・Shopper bags (all sizes)