Personalized Personalized 1st Birthday Boat Toddler Long Sleeve T-Shirt. This fun personalized 1st sailboat Toddler Long Sleeve Tee - Light Blue makes a great gift idea for a girl or granddaughter's birthday. Make a custom gift idea for a 1 year old. 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.