Hi AYÇA ÖZER,

According to the tracking records you provided, your packages (EV070476998CN and EV070511329CN) were returned to the sender before leaving China due to "security check return."

This is a common situation where packages are intercepted at the export stage due to non-compliance with security transport regulations.

Common Reasons for "Security Check Return"
According to standard international mail operations, security check returns are usually related to the contents or packaging of the package, and not necessarily to the illegality of the items themselves. Common reasons include:

Containing sensitive or prohibited items: This is the most common reason. The package may have unintentionally contained items prohibited or restricted by air or customs, such as:

Items with batteries: Many electronic products with built-in lithium batteries (such as small appliances, toys, pedometer bracelets, etc.) cannot pass air security checks.

Liquids, powders, and pastes: Such as cosmetics, skincare products, shampoos, condiments, etc.

Magnetic items: Such as horns, speakers, etc.

Pressurized canned items: Such as hairspray, sprays, etc.

Collateral damage from a single package: During international mail security checks, dozens or even hundreds of packages are often bundled together in a large mailbag for unified screening. If any package from another sender in that mailbag has a problem, the entire mailbag will be returned by the machine. This is a type of "collateral damage" mentioned by postal workers.

Packaging or document issues: Occasionally, packages may be returned due to non-compliant outer packaging (such as using metal boxes) or unclear waybill information.