Personalized 12 Years of Marriage Couple 12th Anniversary Toddler Long Sleeve T-Shirt. Celebrate your anniversary in style with our 12 Years of Marriage Couple 12th Anniversary apparel and gifts. Show your love and commitment to each other with these beautiful and unique items. 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.