Will inflate to 18", you can inflate with helium (to float) or air (non floating). Not suitable for unsupervised children under the age of 3.
eBay
32inch Blue Number Balloon Set, Dark Blue Number 10~21 Balloon, Number Love Star Balloon Set, Blue Foil Star Heart Shape Balloon with Long Balloon Suitable for Birthday Party Shower Decoration
Aliexpress UK
You can use a balloon pump on these or even use a straw to blow them up. If the inflation is too full, the balloon is quickly leaked or directly detonated. Cold air can cause the balloon to appear deflated.
eBay
14pcs Silver Black Foil Balloons Mylar Balloons 22in 15in 10in 4D Round Balloons Large Metallic Balloons Chrome Balloons Decor
Aliexpress UK
The Justice League Superhero mix option contains an equal amount of the five balloons seen in the picture (Blue Superman, Black Batman, Red Flash, Green Green Lantern and Red Wonder Woman). Balloons should be inflated with care.
eBay
Hawaiian Party decorations,Aloha balloons Palm tree balloons Flamingos balloons Pineapple balloons Coconut cactus balloons
Aliexpress UK
eBay
Balloon Sizer Cube,Plastic Balloon Measure Boxes Tool, Collapsible Balloon, Balloon Sizer Tools for Balloon Arches
Aliexpress UK
Fun Pumpkin Bat Balloon. Halloween Foil Balloon. Balloon is supplied flat. Will inflate to 6 6 x 38 cm. Perfect for a Family Friendly Halloween Celebration. Requires helium in order to float.
eBay
Shiny Glow Balloon Spray Balloon Brightener Fading Resistant Lasting Shine Polish Maintenance Party Enhance Balloon Precise Mist
Aliexpress UK
This fabulous balloon large will inflate to approx 55 x 88 cm. Halloween Supershape Balloon. Lots more Halloween party goods available.
eBay
1set Disney Mickey Mouse Blue Balloon Themed Party Balloon 40inch Number Foil Balloon Baby Shower Birthday Party Decora Supplies
Aliexpress UK
Bring the power of the Justice League to your next celebration with this exciting Supershape Foil Balloons ! Make your next celebration unforgettable with theDC Comics Justice League Supershape Foil Balloon – a must-have for any superhero fan!
eBay
10/20/30Pcs Neon Balloons Happy Birthday Balloons UV Glow Balloons Blacklight Birthday Party Decor Fluorescent Balloon Arch
Aliexpress UK
Not Suitable for Children Under 36 Months without supervision. Fill :- Helium (Floating) or Air (Not Floating).
eBay
50/100pcs Bobo Balloons 8/10/18/20/24/36 Inch Clear Balloons Birthday Party Bubble Balloons Decoration Wedding Helium Balloons
Aliexpress UK