Baseball party cups are made from a mix of materials across listings, most commonly plastic, paper, and silicone.
Some listings specify temperature use: insulated plastic tumblers are described for hot or cold use, while silicone pint glasses are described as for cold beverages only.
Pack sizes vary: listings include single items, packs of 8 or 10, and 12-count party cup sets.
Features that reduce spills and improve portability include lids and straws on some sport ball cups, double-wall insulated construction that reduces condensation, and shapes that fit most cup holders.
Decorative options include sport-ball graphics (baseball, football, basketball, soccer), shiny gold foil accents, and mascot or themed print designs for party styling.
Listings suggest several non-drink uses: fill cups with popcorn, sweet treats, party favors, or mini appetizers for gatherings.