The spring design force of the device, even when used alone, does not affect the suction force.

This product is not a medical device, and is only suitable for emergency training of choking.

Specification:

Color:As pictures
Materials:Plastic

Please note: About the size. ,There may be inconsistency of 1 – 3 cm, which is due to human error. Please refer to our size chart for reference only.2. About the color: The exact color of the item may vary depending on the monitor, lighting settings and conditions. The color on our pictures can only be used as a reference.

This product is not a medical device, and is only suitable for emergency training of choking.