Mcolour Balloon 16 Inch Blue "HAPPY BIRTHDAY" Helium Foil Balloons for Party Supply You will receive 13 pcs balloons in size 16","HAPPY BIRTHDAY"Shaped balloons This balloons is self sealing so no tying with fingers required. Material is aluminum film, color uniform, spherical beautiful This foil balloon is high quality and suitable to inflate with air! This beautiful balloons is great for birthday party,select more other balloons with a combination to DIY a perfect birthday party!