Personalized Twins 2nd Birthday Sloth 2 Year Old Matching Toddler Long Sleeve T-Shirt. toddler twins 2nd birthday idea has matching sloths with birthday cake 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.