Your little one can't sleep? Sing Sheldon's favorite lullaby and that should do the trick. "Soft Kitty, Warm Kitty, Little Ball of Fur. Happy Kitty, Sleepy Kitty, Purr, Purr, Purr." This Big Bang Theory Infant onesie features the adorable Soft Kitty and the soothing lyrics of Soft Kitty. This grey, infant romper is made from 100% cotton. Be sure to check out our Size Chart to get an idea of the average size and dimensions of this Soft Kitty Onesie style. Check back often for some of our new Big Bang Theory clothing and other Big Bang Theory merchandise at great prices only at AnimationShops.com.