Yes. Outdoor yard signs are printed on waterproof, weather-resistant corrugated plastic, and front/door signs are described as waterproof and weather-resistant for outdoor use.
Most listings note “some assembly required.” Typical steps include stringing the provided cord or ribbon through the pennants or pre-cut slots and tying it, and inserting the stakes that come with yard signs.
Banners and pennants are commonly printed on sturdy cardstock or paper. Some front-door signs are made of PVC (listed as 1/8-inch thick). Outdoor yard signs are printed on waterproof, corrugated plastic.
Front/door signs are listed at about 10.75 inches wide by 13.75 inches high. Yard signs are larger, commonly around 23 inches wide by 15.25 inches tall.
Kits vary by style. Examples include 10-piece vertical banner sets with pieces around 7.5 x 10.75 inches, and letter-banner kits that include up to 36 pennant pieces plus script letters, typically with a mix of large triangle, circle, and smaller triangle pennants.
Cord length varies by listing. A common specification is 10 yards of white satin cording (sometimes listed as 2 mm satin cord).
Banner lengths vary widely across listings—from about 11.63 inches up to 360 inches—and are offered in both vertical and horizontal orientations.
Front door PVC signs are described as waterproof and weather resistant. Care guidance advises avoiding exposure to temperatures above about 130°F and hanging the sign on the outermost door to avoid excess heat exposure.