Blocked mail square flat icons - Stock vector

blocked, undesirable, unsolicited, restricted, spam, mail, letter, email, postal, message, messaging, envelope, correspondence, icons, buttons, application, set, multiple, flat, square, rectangle, design, template, user-interface, vector, sign, symbol, plain, simple, light, white, gray, purple, mustard, red, yellow, green, blue, brown, pink, magenta