Female spider with egg sac

I didn't know that a spider egg sac can be so BIG, i was told by the spider ID Xpert that there are more then 100 eggs inside. WOW that's cool!

- Took at Sungei Buloh, 8pm.
( 50mm f/1.8 + 25mm extention tube + 450D body + speedlite EX480.... )