SIFE offers a variety of product lines that can be chosen depending on the situation. Please
refer to each product's detailed page for more information.

Since it is intended for contact with the body, both silicone and polymer are biocompatible
materials.

The right earplug is red, and the left earplug is blue. You can differentiate them
by the color of the initials on the product. Please note this when collecting ear impressions. (However, for aviation, we make them in left ear and right ear models.)

There is no distinction between left and right eartips