More colors
Build coordinated palettes with standard, retro, pastel, pearl, crystal, platinum, and luster finishes.
Balloons at Diddams
Big color.
Big celebrations.
From grab-and-go bouquets to custom balloon décor, helium tanks, and decorator supplies—we make every celebration feel bigger.
Everything you need to celebrate
More balloons. More colors.
More ways to make it yours.
Whether you need one birthday balloon or a room-filling installation, Diddams has the selection, supplies, and balloon know-how to help bring your idea to life.
Ready to celebrate
Balloon Bouquets
Shop ready-to-go bouquets for birthdays, graduations, baby showers, anniversaries, holidays, and every moment in between.
Shop bouquets →Designed for your event
Custom Balloon Décor
Create a one-of-a-kind celebration with custom arches, garlands, backdrops, centerpieces, columns, walls, and more.
Explore custom décor →Easy party planning
Birthday Balloon Packages
Choose ready-to-go balloon bouquets, balloon stacks, and décor packages featuring your child’s favorite themes.
Shop birthday packages →Find the perfect shade
Balloons by Color
Browse latex, foil, orbz, confetti, and specialty balloons in practically every color you can imagine.
Shop by color →For pros and DIY makers
Decorator & Specialty Balloons
Discover professional-quality balloons for decorators, balloon artists, event planners, and ambitious DIY projects.
Inflate and display
Helium Tanks & Accessories
Find helium tanks, ribbon, balloon weights, inflation tools, accessories, and the essentials that finish the look.
Shop supplies →For decorators & DIY garland makers
Build your dream palette at Diddams.
Mix colors, finishes, and sizes for organic garlands, arches, columns, walls, and installations. We carry a wide range of decorator balloons—and can special order many additional colors and sizes.
Browse our latex balloon colors →More sizes
Find the sizes you need for dimensional garlands, large installations, and balanced balloon décor.
Special orders
Need a shade or size we do not normally stock? Ask early and our team can help source it.
Why Diddams?
Your local balloon experts.
Huge selection
Thousands of options, including latex, foil, jumbo, character, and specialty balloons.
Expert balloon team
Get help choosing colors, quantities, balloon types, and the right supplies for your project.
Custom balloon décor
Professional installations for birthdays, corporate events, schools, showers, graduations, and more.
Pickup & delivery
Convenient options for local pickup, prepared balloon orders, and qualifying décor deliveries.
Balloon FAQs
A few things people ask us.
Have a question about a specific order or installation? Contact your nearest Diddams store and our balloon team will help.
Find a store →How long do helium balloons last?+
Float time varies by balloon type, size, temperature, and treatment. Standard latex balloons often float for part of a day, while treated latex and many foil balloons can last considerably longer. Ask our team what works best for your event timing.
Do you offer balloon delivery?+
Pickup and delivery options vary by store, order size, and destination. Contact your nearest Diddams location for current availability and delivery details.
Can I order custom balloon colors?+
Yes. We carry a large selection of colors and can special order many additional shades, finishes, and sizes. Advance notice is recommended.
How early should I order balloon décor?+
Order as early as you can, especially for large installations, custom palettes, and busy weekends. Simpler balloon orders may require less lead time.
Can you help me plan a DIY garland?+
Yes. Bring your inspiration and approximate measurements. Our team can help you choose coordinating colors, balloon sizes, and supplies.
Visit us: Pick up your balloons in person
Bouquets, helium and custom balloon orders are ready for pickup at Diddams in Mountain View, San Mateo and San Carlos.
- Mountain View · 1952 W El Camino Real
- San Mateo · 1940 S El Camino Real
- San Carlos · 700 Laurel St