It"s on! Throw a huge 21st birthday party with the help of all of our 21st Birthday Decorations, and Party Supplies, Hang this giant five foot banner up to announce to everyone you are finally legal to drink, At 5 feet wide it may actually cover the entire wall of your apartment, This Happy 21st Birthday Sign Banner can be used indoors and outdoors because it is printed on a durable material that won"t rip if it gets wet from water or alcohol, Hang up the Happy 21st Door Decoration along with this banner to make everyone sure they know the reason for the party, Happy 21st Birthday Sign Banner, Measures: five (5) feet wide and twenty one (21) inches tall, Material: all-weather plastic with four (4) metal grommets, One (1) per package, SKU: BSTL7957