The yellow tip end of earplugs should be inserted only when ambient noise levels are not hazardous and the wearer wants hear-through,capability with instant protection from implulse noise(i.e.,weapons fire or explosive devices warning....)Noise reduction increases with sound level for impulsive noise such as weapons fire above 110 dB.Estimated attenuation ranges from approximately 0-22db.

The green tip end should be inserted when continuous hazardous noise is present and if it is determind that the attenuation reduces the hazardous noise to a safe as determined by a qualified professiional.this green tip of earplug provides continuous noise to ambient noises such as aircraft, armored vehicles or machinery.

1. Your inquiry related to our products or prices will be replied in 24 hours.

2. Well-trained and experienced staffs will serve you and your clients in fluent English.

3. OEM & ODM are welcomed, OEM brand is available.

4. Distributor ship is offered for your unique design and some our current models
     good quality ear protection reusable earplug

1.By Express: such as DHL, UPS, TNT, FEDEX etc. The dispatch time is about 3-7 days.

2.Air Freight: when your order more than 100kgs which will be more economical than express.

3.Sea Freight: we will update sea freight once we know your sea port where goods will be delivered.

4. Agent designated by client: please tell us the contact detail of your shipping agent and we will arrange to deliver the item.