Personalized 12th Anniversary Gift Cat Couples Maternity Shirts. Cute 12th wedding anniversary Black Maternity Shirt with cats and quote that says the purrfect pair for 12 years. 5.5 oz., 100% combed ringspun cotton jersey tee. taped neck. topstitching on collar. double-needle stitched sleeves and bottom hem. Available in sizes Small, Medium, Large and XL.