The Main Features Of The Pressure Reducing Ear Plugs Include:.Hearing Protection – The Ear Buds Create A Calm And Quite Environment, Blocking Out Background Sounds And Engine Noise Comfortable Fit – The Earbuds Are Made Out Of A Comfortable Rubber That Is Easily Compressed For Insertion And Fits Comfortably In The Ear Pressure Relief – Product Is Designed To Alleviate Pressure Pain Caused By Changing Altitudes About Flents:Flents Has Developed A Line Of Innovative Personal Care Products. Popular Products Include Insty Splint Finger Splints, Sleep Masks, Hot/Cold Water Bottles, Ice Bags And Eye Patches. Flents Products Offer Simple Solutions For At-Home Health And Wellness Needs..