Security Protection for My Little Sister - Big Brother TeeMachine wash cold with like colors, dry low heat Cool security for my little sister shirt, for big brothers and sisters who love their younger sister sibling. If you are a parent with children whose hero is a police or security officer, here's the perfect tshirt. This is a security little sister protection squad big brother shirt. Funny kids security shirt style, with adorable quote. Your child will love wearing this on all occasions! Great birthday