Soft comfortable ear plugs; Foam; Circular push-in ear plugs; Slide pack; Sold by the pack of 10 pairs; 100 packages per case; High noise reduction of NRR29 30 Dec 2012 There isn't a possibility I can walk with these in my ears. What am I to do? I've never found comfortable ear buds, or ones that will stay in either, especially if I move. I've never thought about . Welcome back. Just a moment 1 Mar 2011 protection options can make life in our noisy world more comfortable. . and provide warmth, which is welcome in cold environments. Also Items 1 - 40 Welcome Guest; Login; Register. Home · Help · My . TDK In-ear Noise Cancelling Earphones NC-350. Model: Compare. Innovative design for enhanced grip and easy fit, comfortable ear-canal phones with bass-driven sound.