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Birthday Decorations

A birthday room looks finished when three spots are covered: one big focal piece, something along the wall, and something on the guests. Shoppers searching birthday decorations most often start with the guests, ordering the Vesil mini party hats with crowns (9 pom-pom cones plus a gold and a silver crown). For the focal piece, the 30 x 24 in smiley Happy Birthday balloon works on its own above a cake table, though it needs helium to float. Then run the 24-flag pennant banner along a wall or table edge. Everything below ships flat or deflated, so plan the folding and inflating before party day.

8 picks · ranked by what shoppers actually bought · Free shipping on orders $20+ · updated

  1. Most-ordered pick for this search: 9 pom-pom paper cones and 2 crowns that dress the guests and line the cake table.

  2. One 30 x 24 in yellow smiley foil balloon with a cake and party hat design; ribbon included, helium needed to float.

  3. A 30 x 20 in pink-and-green snail foil balloon for safari or bug themes; floats with helium or hangs air-filled on 32.8 ft ribbon.

  4. Eleven kids' hats, 9 patterned cones about 5.1 in tall plus gold and silver crowns, for a coordinated look at the party table.

  5. Twelve standard 7.9 in rainbow foil cones with Happy Birthday lettering, large enough for adult guests in photos too.

  6. A smaller 22.4 x 14.5 in cake-with-candles foil balloon plus 33 ft ribbon for a gift table, doorway or photo backdrop.

  7. A 15 mm x 30 ft polyester ribbon printed with multicolor Happy Birthday letters for favor bags, gift boxes and balloon tails.

  8. Twenty-four smiley and patterned paper pennants on two 16.4 ft ribbons; hang as one long garland or two shorter strands.

What to look for

  • Pick one focal balloon and size it to the spot: the smiley balloon is 30 x 24 in, the snail 30 x 20 in, and the cake balloon a smaller 22.4 x 14.5 in that suits a gift table or doorway.
  • Decide helium or air before you buy. The smiley balloon floats only with helium; the snail and cake balloons can also be air-filled and hung by their ribbon. See inflating foil balloons without helium.
  • The pennant banner has 24 flags, each about 5.7 x 6.4 in, on two 16.4 ft ribbons, so you can run one long line or split it between a table front and a doorway.
  • On painted walls, hang paper banners and balloons with removable hooks or low-tack tape; our guide to hanging banners without wall damage covers the options.
  • Party hats double as table decor: line the cones along the cake table before guests arrive, then hand them out for photos. The 7.9 in rainbow foil cones are easier to see from across the room than the mini sets.
  • Finish with the 30 ft Happy Birthday ribbon on favor bags, gift boxes or balloon tails. It is decorative polyester, not edible, so tie it around the cake box or stand, not on the cake.
  • Keep to one look: yellow smiley, safari snail or rainbow foil. The pennants' smiley and multicolor prints suit bright kids' themes rather than a minimalist or single-color scheme.

How the picks fit together

Spot Pick Size or count Setup
Focal balloon Smiley Happy Birthday foil balloon 30 x 24 in Self-sealing valve; helium to float; ribbon included
Themed focal balloon Snail foil balloon 30 x 20 in, 32.8 ft ribbon Helium to float or air to hang
Small accent Birthday cake foil balloon 22.4 x 14.5 in, 33 ft ribbon Helium to float or air to hang
Wall or table edge Colorful pennant banner 24 flags, two 16.4 ft ribbons Thread through pre-punched holes
Guests Vesil mini or Olen kids hat sets 9 cones + 2 crowns each, about 5.1–5.3 in Ship flat; assemble
Guests, adults too Azude rainbow hats 12 cones, 7.9 in tall Ship flat; tab and slot
Gifts and favors Happy Birthday ribbon 15 mm x 30 ft Cut to length

A simple setup order

Fold the hats and thread the banner a day or more ahead, since both store flat until needed. Hang the banner first so you can center the focal balloon under or beside it. Inflate foil balloons last, slowly, and stop before the seams feel tight. Tie ribbon tails and favor bags while the balloons settle, then set the hats out on the table. To scale hats, balloons and favors to your guest count, try the party supply calculator.

Frequently asked questions

Will the foil balloons float without helium?

No. An air-filled foil balloon hangs or sits rather than floats. The smiley balloon needs helium if you want it to float; the snail and cake balloons are sold for either, and air-filled ones can be hung on a wall or backdrop with their ribbon.

How long is the pennant banner?

It has 24 paper flags and two 16.4 ft ribbons, 32.8 ft of ribbon in total. You set the spacing as you thread the flags through the pre-punched holes, so it can be one long garland or two shorter strands.

Is ribbon included with the balloons?

Yes. The smiley balloon includes ribbon for hanging, the snail balloon comes with 32.8 ft, and the cake balloon with a 33 ft white ribbon roll. The snail and cake balloons ship deflated.

Are these decorations suitable for a first birthday?

Yes. The Vesil hat set is described for girls' and boys' first birthdays, and the smiley, snail and pennant prints are bright rather than gendered. Keep balloons, ribbon and pom poms out of reach of babies and toddlers when no adult is watching.

How far ahead can I decorate?

Hats and the banner can be prepped days ahead. Foil balloons are worth inflating close to the party, although the smiley balloon's listing describes heat-sealed edges meant for several days of display. Our birthday party supplies checklist has a 2-week timeline.

Also searched as: 1st birthday decorations boy · animal parade birthday decorations · big birthday balloon · birthday balloons mylar · birthday banner · birthday decor · birthday decoration · birthday decorations for boys

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