Value Decorative Lights: each package includes 40 pieces of 20 inch (after inflated) transparent bobo balloons, 40 pieces of 3 meter/ 10 feet LED string lights, and 1 air pump, available in enough quantity and reliable quality to meet the needs of your party decorative LED lights; When using the air pump, please press the balloon nozzle tightly to prevent gas leakage; Please refer to the product diagram for details Sturdy and Reusable: light up balloons are made of TPU, with nice elasticity, high transparency, durability, nice round shape; And, they can be applied repeatedly, not easy to break; Please pay attention to safety, do not blow too full, otherwise it will easily explode; String light wire can be easily bent into various shapes you want Easy to Set up: fill bobo balloons with air, twist the tail into a spiral and several times to avoid deflation, wrap string light around it; Open the battery case shell, insert the 2 AA batteries (not included) in the battery case, press the switch on the battery case to realize the on/ off; Filled with helium to float, using air pump to inflate does not make the balloon float Add Vibe: light up balloons can create a romantic atmosphere and bright colors for your wife/ husband/ girlfriend or someone you care about on birthdays, make a surprise for her/ him, they will be happy and touched; Or decorate bars, coffee, flower shops, shopping malls etc. at festivals to create an atmosphere to attract more customers Ideal addition to Party Decorations: clear led balloons are ideal decorations for Halloween, Christmas, Valentines Day, weddings, parties, patios, balconies, bedrooms, bars, anniversaries, pool parties, dance clubs, outdoor, indoor or other special occasions that are worth celebrating Features: Each battery operated bobo balloon light has quality 20 LED bulbs, touch safe and non glare, soft and warm light for your eyes. It is easy to install, not fragile, easy to bend, light in weight. Each kit is equipped with 1 air pump, the air that is pumped in cannot make the balloon float. These led balloons can only float when filled with special gas, they will glow in the dark like stars. Recommended to inflate to 17-20 inch, otherwise it is too big and easy to explode. Dont blow with your mouth, recommended to use tools to inflate the balloon (inflator, helium tank, electronic, air pump) Specifications: Material: led, plastic, copper Color: as pictures shown Bobo balloon size: 20 inch after inflated String light size: 3 meter/ 10 feet Package includes: 40 x LED light up balloons 40 x String lights with battery case 1 x Air pump Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Do not over inflate it, and keep it away from heat, fire or anything pointed. Not suitable for people younger than 12.