Multi Scenario Application : This side sleeping pillow is suitable for people with ear piercings , those in post operative recovery , tinnitus sufferers , or vertigo patients . It can effectively reduce the compression of ear blood vessels when sleeping on the side Hollow Pressure Relief Design : With a diameter of 27 cm and a hollow inner diameter of 5 to 8 cm , it is ergonomically calculated to perfectly accommodate the auricle and avoid compression . Compared with ordinary pillows , the hollow area can reduce most of the pressure on the ears . When sleeping on the side , the earlobes and cartilage piercing areas can be suspended , making it especially suitable for use with new piercings or during post operative recovery Multiple Colors Available : There are 2 colors to choose from , suitable for both men and women . You can select the appropriate color and style to improve sleeping quality Easy to Carry : With a compact size , it can be placed on top of the original pillow or used alone . It does not take up much space when put in a suitcase during travel Premium Material : Made of simulated silk (polyester) , the material is smooth , and it is filled with soft PP cotton , which can improve the comfort of use . (The product is shipped in vacuum packaging . After receiving it , you can pat it to make the pillow rebound before use .)