The big foam boob costume is a funny adult costume idea if you want to make a splash at your party! This plush breast costume is made out of 100% polyester and features a poly-foam exterior to maintain its shape. The nipple portion is light-pink, with a darker-pink fabric nub that actually has a squeaker inside. There is a loop to go around your neck for a secure fit, as well as straps to tie the costume around your back. People always said you were just a big boob - now prove them right this Halloween in this adult humor costume!