Personalized 5th Birthday Cute Panda Bear Toddler Long Sleeve T-Shirt. Panda 5th Birthday Toddler Long Sleeve Tee - White has funny fat panda bear with number five on its tummy. 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.