bout this item 99 PCS WHITE BALLOONS IN DIFFERENT SIZES: Includes 36 inch (1 pcs) 18 inch (3 pcs), 12 inch (25 pcs), 10 inch (20 pcs), and 5 inch (50 pcs). These large and small balloons are perfect for creating stunning balloon garlands and arch kits EASY TO USE: Made from high-quality latex, these matte white balloons are easy to inflate with a hand pump or electric balloon pump. Ideal for birthday, graduation, and baby shower party decorations. MULTIPLE APPLICATIONS: Along with the matte white balloons, we offer over 170 colors for you to choose from. These balloons are perfect for birthdays, graduations, weddings, gender reveal, baby showers, Christmas, Easter, and white party decorations WHAT TO FILL WITH: When filled with air, these white balloons will stay inflated for up to 72 hours; if filled with helium, they will last for 3-6 hours. For the best results, we recommend inflating the balloons with helium 1-2 hours before your event