Personalized 30th Anniversary Gifts T-Shirt. Pretty teal swirl 30th Anniversary design is a great way to celebrate thirty years together on this T-Shirt - White for the happy couple. Everyone loves our Custom T-Shirts! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.