I keep a bunch of these around when I shoot on my back acre range.
http://www.sportsmansguide.com/net/c...x?a=359175&e=Y
And a bunch of these;
http://www.sportsmansguide.com/net/c...x?a=650764&e=Y
I double up when target shooting rifles,shotguns and high pressure pistols, because of earlier hearing damage in the Navy.