Personalized Cheesy Valentine Toddler Long Sleeve T-Shirt. A mouse hugging a chunk of cheese shaped like a heart is a fun gift design for chefs, cooks, cheese connoisseurs at birthdays, holidays and Valentine's Day. 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.