Materials:

Polyurethane foam with big flexibility, can press to very small, then gradually return back to normal shape. Size: can be suitable for everyone.
Color: Yellow & Red/Orange (It's depend)

Amount: 2 Pairs

Features

1. These plugs have a SNR of 39dB which is the highest level for reduce noise.
2. Can be pressed to extremely small and expand to fulfill ear to block sound wave effectivelly.
3. Tapered for easy insertion and removal.
4. Non-irritating and non-allergenic for sensitive wearers.
5. Each pair comes individually wrapped in a sealed bag as provided by the manufacturer

How to use:

1. Press a ear plus to smallest as possible with your fingers.
2. Insert it into a ear, and press to fulfill your ear.
3. Adjust the outside edge to make foam to seal your ear.
4. Then do same thing on another ear.

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