I got a stability ball for Christmas; You know, the giant ones you exercise with? But I think it's too small.?

My mom got me a stability ball.

The box said it's for people 5"6 and under.

I'm somewhere between 5"5 and 5"6, but I'm 15 and have one more growth spurt before I stop growing. After the growth, I may be like 5"7-5"8 or something,

The box says that it's for people 5"6 though;

Should I take it back and get another one, or should I keep it?

I'm going to lose wight this new year, (which is why I wanted the ball) and I'm 180 pounds, and I don't want the ball to like break or something under my weight (height?)

And it didn't have a weight limit on the box or in the information.

Help?