Small Size = approximately 3"x3", 4"x4", 3"x5", or 4"x6" depending on graphic. Medium Size = approximately 8"x8", 10"x10", 6"x8", 8"x10" depending on graphic. Large Size = approximately 12"x12", 16"x16", 12"x16", 16"x18" depending on graphic. Extra large size = approximately 24"x24" Custom Size Stickers Available Up To 48"x96"