30-Day Money-Back Guarantee

Fully refund

Unopenned products could be fully refunded for any reason within 30 calendar days from the oder date. The refund process will begin once the products reaches out warehouse.

Returns must include all accessories.

  • Items must include original packaging.
  • For non-quality related warranty claims, the buyer is responsible for shipping costs. 
  • For products quality related claims, we will cover all the related cost.
  • Special listed products(Final sale) can not be refunded if without any quality issues.
  • The refund ony applicable for the goods sold on Sinefine official stores.
  • Please contact sinefinece@outlook.com for service and shipping label.