Check the listing for details. 50 Pack LED Light Up BoBo Balloons 20" Party Birthday Transparent Bubble Balloon. Color: Clear, Condition: New. Listed at 11.99 USD. 【No Deform Big Size】Those LED balloons are made of really high quality natural latex that is non-toxic, transparent, the size of the clear balloons are 7.9 inches, they can inflate up to 20 inches because of the good material and thickness. 【Easy To Apply】Follow the instruction picture set up the party balloons. Stretch the transparent bobo balloon before inflating the balloons, make several knots then wrap the led strip around the transparent balloons, powered by button batteries (3 x LR44 batteries included). 【Decoration For Wedding & Party】LED strip with 4 colors 3 meters 30 LED lights are made of copper wire instead.【No Deform Big Size】Those LED balloons are made of really high quality natural latex that is non-toxic, transparent, the size of the clear balloons are 7.9 inches, they can inflate up to 20 inches because of the good material and thickness. 【Easy To Apply】Follow the instruction picture set up the party balloons. Stretch the transparent bobo balloon before inflating the balloons, make several knots then wrap the led strip around the transparent balloons, powered by button batteries (3 x LR44 batteries included). 【Decoration For Wedding & Party】LED strip with 4 colors 3 meters 30 LED lights are made of copper wire instead.