party balloons

Custom Helium Balloons

We create beautiful custom balloon bouquets for birthdays, events, special occasions and more.

Select from a huge range of foil, confetti, character, number helium balloons and more. Design something yourself, or let us design it for you.


Popular Balloons

Giant Number Balloons

Our BIG number balloons make the perfect gift for a BIG birthday. Our giant number helium balloons are 86cm and come in lots of colours.⁠


SuperShape Balloons

Our super shape balloons come in all “shapes” and sizes, literally! We have a giant donuts, an epic ice creams, unicorns, firetrucks and more.


Milestone Age Balloons

18, 21, 30, 40, 50 up to 100 (more if you need!)⁠. We can create custom helium balloon bouquets to celebrate any milestone birthday.


Licensed Balloons

Shop all your favourite character balloons, from Bluey to Batman, Disney Princesses to Pink Flamingos.


Special Occassion Balloons

Balloons to celebrate Graduations, Engagements, Mothers Day, Valentine's Day and more.


Helium Balloon Inflation Price List

Balloon Inflation Pricing

Sydney Costume Shop has several balloon inflation options available to suit your needs. We offer both latex and foil balloons with regular helium and hi-float options.
Standard latex balloons last approximately 7-10 hours.
Foil balloons last approximately 1 week (depending on the environment).

Please note that inflation pricing is in addition to the individual balloon cost.

$0.80 for Air Inflation (per balloon) $1.00 for each Balloon Bag $0.80 for Hi-Float (per balloon)

Latex Balloons Helium Inflation

$1.80 for 19-30cm balloon each.

$2.99 for 31-40cm balloon each.

$6.99 for 41-50cm balloon each.

$25.00 for 60cm balloon each.

$35.00 for 90cm balloon each.

Foil Balloons Helium Inflation

$3.99 for 18” balloon each.

$5.99 for 19”-30” balloon each.

$7.99 for 31”-40” balloon each.

$9.99 for 41”-50” balloon each.

$11.99 for 51”-60” balloon each.

$7.99 for Large Bubble balloon each.

Arrangements addition $0.50 per balloon.

BYO Balloons
We are happy to inflate balloons not purchased from Sydney Costume Shop, but we can't guarantee their quality. We charge a labour and handling fee of $0.50 per balloon, plus the inflation costs as listed above. 

Contact Us to find out more.

Pick Up In-Store

Shop 5, 1015 Old Princes Highway
Engadine NSW 2232

(02) 9548 3474

Mon - Fri, 10am - 5pm
Sat, 10am - 4pm
Sun, Closed

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