10PCS Foil Construction --- Made of durable foil. Moderate thickness, clear pattern printing, safe and non-toxic, basically odorless and reusable. Enough Quantity---A pack of 10 checkerboard balloons, you will have enough quantity for party decoration, or as children's daily toys. Most Convenient--- Use a straw or air pump to inflate the balloon, filling it with air will not float. Filling with helium allows them to float. Place it anywhere in the party to highlight the theme. Its a good idea to use as a photo prop. Essential Theme Party Decor --- Racing balloons can definitely take your party up a notch and build up a wonderful party scene. Exquisite balloon decor will give your party a sense of ceremony, so that the party protagonists and those present are impressed. Applicable Occasions - The Checkered Racing Balloons are suitable for car racing party, racing themed birthday,racing themed holidays and other special events,racing competitions or place you wanna decorate.