Personalized 3rd Birthday Koala 3 Year Old Women's Plus Size V-Neck. Three year old birthday party for girl or boy with bear in a beach floaty. So comfortable you'll want one in every color! These versatile v-neck t-shirts are great to wear to the office or at a weekend BBQ with friends. Available in a wide range of colors to compliment any wardrobe, these shirts are softly shaped to complement a plus sized woman's curves.