boxer dog silhouette outline, coloring outlined in black, drawn by lines of various widths. logo animal dog boxer head

abstract animal background black boxer breed bulldog canine coloring cute design dog domestic drawn ears face friend graphic guard head hunting icon illustration image isolated lines logo mammal muzzle one outline outlined pedigree pedigreed pet picture pitbull portrait pose puppy purebred sad security silhouette single sketch strong stylish symbol tattoo various vector white widths