Hardiest material and full shell (fills the concha bowl) provides the highest Noise Reduction Rating NR 29 of all the other products. 
 
Prices vary depending on style, size, colors, handles, materials and features.  Price ranges from $130-170 
 
For custom plugs, you must have a physical silicone or digital ear impression for these to be able to be produced - These are custom fit and 3 D printed molds for your ear.  Highest quality Personal Ear Protection Plugs.  In the Portland area, email for an appointment for you 3D digital scan (service included in the cost)
 
Reusable, washable (soap and water)
Noise Reduction Rating ( NRR ) 27 -36 dB depending on style and material
Soft and comfortable  
Non-toxic hypoallergenic 
Waterproof
Custom to fit your ear!
Comes in a variety of colors and handles.