[Cell batteries included for convenience] last up to 72 hours, and string lights can be reused by replacing the batteries [Big 30-42cm balloons after inflating] two extra balloon for assembly test run, please inflate with a balloon pump or helium tank. You can not inflate by mouth as the balloons need more pressure [3M/9.8 foot] long LED string lights, fully assembled led balloon cal float 5-6 feet from the floor [Important to stretch the balloons and neck] stretch the balloons and neck before inflating, this makes it easier to tie [Look awesome with helium or air] check below for balloon arrangement tips [Need to use a Balloon Pump or helium tank to inflate] Bobo balloons have less elasticity that regular balloons and require more force to stretch them out, they and can not be inflated by mouth. For a classy yet enchanting atmosphere, that totally rocks your party you have to choose lights fever warm white LED light up bobo balloons with batteries included. LED Balloons provide decorative lighting and a wow factor that will ensure numerous compliments for your party decorations. The clear balloons look really enchanting as thousands of tiny warm white lights mimic fireflies in the night.

Tips for using helium
When using helium make sure to inflate the balloons larger than 14 inches in diameter to ensure they can float better with helium. Furthermore helium works better in warmer weather please inflate balloons large enough to float if using outside during winter.

Tips for using air
When using air the balloons can stay inflated of weeks. Popular party decoration is to attach the battery boxes to the ceiling, and let the balloons hang down upside. Perfect choice as wedding balloons, or large birthday party balloons,bachelorette party decorations that need a lot of lighting décor to fill a large space.

What is the difference between these balloons and normal latex balloons?
Latex balloons are more stretchy but can not achieve 100% clear transparency like bobo balloons. Furthermore bobo balloons don't have as much elasticity as latex balloons and require more power to stretch them out.

Can they be reused?
The LED firefly string lights can be reused. Best to visit our amazon store for a refill pack of 20/50 bobo balloons.

What events are they suitable for?
Perfect choice christmas balloons, birthday balloons, independence day decorations, graduation baloons, great for bachelorette party decorations, wedding balloons, Halloween party balloons,4th of July decorative lighting for garden parties.

How long will the helium filled balloons float for?
This depends on variables such as the quality of the helium tank, how well the knot was sealed. A safe estimation is 10 hours. Use one of the extra balloon to do a test run a few days before your event. LED lights are not waterproof keep away from water.