Dear Valentina,
Thank you for your post.
Our customer service is available 24/7 on the livechat and via the tickets. We reply to all tickets within 24 hours. Zaful performs a strict quality control on all products. We offers a 30 day Warranty for all products.
If any question, please email to support@zaful.com. We will try our best to help you.
Best Regards
Zaful Customer Service