13 pcs/set 16 inch happy birthday alphabet balloons air helium balloon children birthday diy party decorations kids birthday balloon

size: different types of balloons have slightly different sizes, after inflate will be little smaller than that. this balloon is used to decorate. it's ideal decoration for wedding, party, birthday, anniversary, shopping mall and promotions etc. the balloon will come flat and need inflating after you receive it. note: due to the difference between different monitors, the picture may not reflect the actual color of the item. thank you.