Mcolour Balloon 17 Inch CONGRATS Party Decoration Supplies Foil Balloons You will receive letter "CONGRATS" Balloons and a blow pipe,each letter balloons is in size 17" This balloons is self sealing so no tying with fingers required. Material is aluminum film, color uniform, spherical beautiful This beautiful balloons is great for party! This foil balloon is high quality and suitable to inflate with air!