Party Planning With

All the frills, no fuss

The party you’ve imagined, come to life… in just one stop.
You take care of the guest list. We’ll take care of the rest.

From the big idea to the tiniest of details,
Party in a Box has you covered

Choose from carefully curated party themes, customized to your guest of honor
-- from the first invitation to the final thank you card.

Featured Boxes:


Unicorn Party in a Box

Superhero Party in a Box

Rosé All Day Party in a Box

Nothing beats presents like presence

Life before Party in a Box: Searching Pinterest for themes. Making multiple shopping trips.
Placing several online orders. Wondering how to pull it all together.

Life with Party in a Box:

Choose your theme

Shop thoughtfully curated themes designed by a professional planner, without the price tag.

Personalize the details

From the invites to the backdrops to the party favors, make each piece of the party kit your own.

Set up. Sit back. Relax.

It’ll be the party you’ll remember forever, because you’ll actually be able to be present and enjoy it.

We've Partied with + are Trusted by:

Chic. Customized. Complete. Convenient.

You can have your cake and eat it, too.

Shop the boxes:

Starting at $347

Starting at $347

When you #PartyWithScarlett, you party for a cause…

Hi! I’m Morgan… lover of parties, advocate of high tea, and professional follower of dreams.

I believe everyone deserves an epic celebration. With X years of planning, designing, and coordinating events end to end under my belt, I created the Party in a Box to bring the magic of a curated event into the homes of every busy, highly ambitious parent, sibling, or friend out there who wants to host the perfect party without the stress.

Even better? Proceeds from each Box bought supports Bright Blessings, an organization that brings joy, positive recognition, and birthday parties to homeless and impoverished children whose special day may otherwise go unnoticed.

Learn more about Scarlett Collection.

Our Founder


We believe everything and everyone deserves an epic celebration. Our Party in a Box -- personalized party supplies, curated in themed boxes -- are the answer to making your perfect party a reality…without the stress.


Drop your email below to hop on our newsletter for party inspiration, new party box alerts…and 10% off your first order!

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