1. Design: When the valve is closed, the lid is adhesive and is attached when it is inflated, does not lose air after swelling and can be reused.2. material Red heart balloons are made of aluminum foil, biodegradable, certified as non-toxic and safe to use, so you don't have to worry about balloon bursting after inflation.3. Easy to Inflate It can be inflated with air or helium. When the balloon is filled with helium, it can fly high. It can be reused and is convenient to load and unload.4. Romantic decorations The great heart shape gives the balloons a beautiful look, can create a very romantic and sweet atmosphere, make your wedding more beautiful and romantic.5. Wide use Heart-shaped aluminum foil balloons can be used for Valentine's Day, birthdays, weddings, anniversaries and events and add special colors to the occasion. Our red, heart-shaped foil balloons to create an eye-catching balloon bouquetNote: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.