Find all your 80th Birthday Party Supplies here! 80th Milestones Birthday features vibrant stripes in rainbow colors with 80 written in black. These are beverage napkins with 16 per package. See 80th birthday party decorations, including balloons, banners, napkins, plates, and more. Also see the invitations to give you ideas for patterns. Click to find all 80th Birthday Party Supplies and decorations, and see more below.