Armourwear Economy Black Overhead Earmuffs (SLC80 27dB, Class 5) upsell_cleaning-spray#1 Rechargeable Battery provides up to

Rechargeable Battery provides up to 11 hrs of connection to any device

but you want an inexpensive ear plug

SensorCom MicroBuds

The hot orange color makes it easier to see if they still have them in and easier to find if they fall out

Armourwear Economy Black Overhead Earmuffs (SLC80 27dB, Class 5) upsell_cleaning-spray#1 Rechargeable Battery provides up toArmourwear Economy Black Overhead Earmuffs are all purpose economy earmuffs designed specifically to be lightweight and provide maximum comfort. Padded headband for comfort Lightweight Class 5 SLC80 27dB Premium soft feel ear cushions Low clamp force for long wearing comfort