These blue 21st birthday helium quality balloons have a 12 inch diameter and are in pack of 6. There are two shades of blue, 3 of each shade. These pearlised balloons are printed all over in white with the number 21 in different sizes with white circles. They can be used either with helium or air filled. Pearlised balloons have a metallic finish.
These balloons can be filled with air or helium
Product Suggestions and Advice
Helium filled balloons are printed so that the image is displayed the right way up when the neck of the balloon is at the bottom, with these blue 21st birthday balloons the image is printed all round the use of helium is not as important. Balloons are great for party decorations and are best used in odd numbered groups.
To aid inflation, gently rub balloons between hands then stretch balloons, do not over inflate, balloons can burst in very hot weather due to the cold air inside the balloon expanding.
Children under 8 years can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons at once.
If filling with air to protect the eyes from possible damage, the use of a balloon pump is recommended.