DESC: Celebrate in Style with Birthday Party Decorations! Spice up your birthday party with decorations. No birthday party is complete without signs and banners to celebrate. 63" long and 21" wide. "Happy Birthday" message. Complete your birthday party with all the coolest birthday party decorations. we have great signs, banners, and cutouts to let your guests know where the party is or to add a little birthday party style to any room. Celebrate your birthday in style with birthday party decorations all around.