This list covers 20 party items and supplies that start with the letter O, running from “Ouija Board” to “Ornament Balls.” These items range from spooky game boards and piñatas to outdoor lighting, table linens, and holiday decor. Most of them show up at birthday parties, baby showers, weddings, and seasonal celebrations, where they add entertainment, decoration, or convenience to the event.

Party items and supplies are the products people use to decorate, entertain, and host guests at celebrations of all kinds. They cover everything from games and costumes to lighting, tableware, and favors. One fun example on this list is the overflow champagne glass tower, a dramatic stacked display that turns a simple toast into a centerpiece moment at weddings and anniversaries.

Below you’ll find the table with Item, Usage, Popular Brands, and Description.

Item: The name of the specific party product, so you can quickly identify what it is and whether you need it.

Usage: The type of event or setting where you’d typically use this item, helping you match supplies to your party theme.

Popular Brands: A well-known brand that makes or sells this item, giving you a trusted starting point when you shop.

Description: A short explanation of what the item is and how it works, so you know exactly what you’re getting.

Party Items and supplies

ItemUsagePopular Brands
Ouija BoardHalloween or slumber party gameHasbro
Owl PiñataKids’ birthday party game and decorYa Otta Pinata
Octopus PiñataUnder-the-sea themed party gameYa Otta Pinata
Origami Paper LanternsHanging ceiling and wall decorLuna Bazaar
Overlay TableclothLayered table decorationAnn’s Linens
Outdoor String LightsPatio and backyard party lightingBrightech
Opaque Party CupsDisposable drinkware for partiesSolo
Oktoberfest BannerGerman-themed party decorBeistle
One-Year-Old Cake Smash SetFirst birthday photo prop and decorGinger Ray
Old Maid CardsParty card gameHasbro
Onesie CostumeCostume party or baby shower activityRubie’s
Orange StreamersCrepe paper hanging decorationAmscan
Ostrich Feather BoaCostume and dress-up party accessoryZucker Feather
Outdoor Patio UmbrellaShade for outdoor gatheringsSunnyglade
Oreo Favor BoxesSweet party favor packagingNabisco
OMG Novelty BannerGender reveal or baby shower decorGinger Ray
Order of Service CardsWedding ceremony stationeryMinted
Overflow Champagne GlassesToast display for celebrationsLe’raze
Outdoor Party TentShelter for backyard or garden eventsEurmax
Ornament BallsHanging holiday party decorVickerman

Descriptions

Ouija Board
A flat board printed with letters and numbers, used as a spooky party game where players ask questions and a planchette supposedly spells out answers.
Owl Piñata
A stuffed decorative figure shaped like an owl that’s filled with candy and broken open as a party activity.
Octopus Piñata
A colorful ocean-themed piñata shaped like an octopus, popular for beach or mermaid party themes.
Origami Paper Lanterns
Folded or accordion-style paper lanterns hung from ceilings or strings to add color and ambiance to a party space.
Overlay Tablecloth
A decorative fabric layered on top of a base tablecloth to add texture, color, or sparkle to a party table.
Outdoor String Lights
Weatherproof bulb or fairy lights strung across a yard or patio to light up outdoor celebrations after dark.
Opaque Party Cups
Solid-colored plastic cups used for serving drinks at parties, favored because they hide the contents inside.
Oktoberfest Banner
A printed hanging banner featuring beer steins and Bavarian colors, used to decorate Oktoberfest-themed parties.
One-Year-Old Cake Smash Set
A coordinated set of a bib, banner, and tableware designed for a baby’s first-birthday cake-smash photoshoot.
Old Maid Cards
A classic matching card game often brought out at kids’ parties and family game nights for group entertainment.
Onesie Costume
A full-body character or animal costume worn for costume parties, sometimes given as a baby shower favor for guests to decorate.
Orange Streamers
Twisted crepe paper strips in orange used to drape walls, doorways, and ceilings for festive color.
Ostrich Feather Boa
A long, fluffy scarf made of feathers worn around the neck for glamorous, retro, or costume-themed parties.
Outdoor Patio Umbrella
A large tilting or crank umbrella set over a table to shield outdoor party guests from sun or light rain.
Oreo Favor Boxes
Small decorative boxes filled with Oreo cookies, handed out to guests as a simple, crowd-pleasing party favor.
OMG Novelty Banner
A playful hanging banner spelling out phrases like “OMG Baby,” used to add humor to celebration photo backdrops.
Order of Service Cards
Printed programs handed to guests at a wedding party outlining the ceremony’s order of events and readings.
Overflow Champagne Glasses
Stemmed glasses stacked into a tower so poured champagne cascades down, used as a dramatic centerpiece for toasts.
Outdoor Party Tent
A large pop-up or frame canopy set up outdoors to shelter guests, tables, and food from sun or weather.
Ornament Balls
Oversized decorative spheres, often glittered or metallic, hung from ceilings or trees at holiday-themed parties.
If you think there is a missing term, let us know using the contact form.