Personalized Police Officer Proud Niece Toddler Long Sleeve T-Shirt. Proud niece of a police officer Toddler Long Sleeve Tee - Charcoal outfit with blue line flag for girls in a law enforcement family. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.