Throwing a gender reveal party? If you're expecting a boy, this is a fun way to reveal to your guests the exciting news! Simply fill the included blue balloons up with helium, place them in the bag, then open the bag up to reveal your child-to-be's gender. Add this as a must-have to your gender reveal party supplies and guests are sure to be surprised! Includes eight latex balloons. (9 pcs. per unit) Plastic sack, 36" x 44".