Personalized 30th Anniversary Celebrate T-Shirt. 30th Anniversary T-Shirt - White with words “Celebrating Our 30th Anniversary” for a 30th Anniversary Celebration. Add a name or customize for a personalized anniversary gift. 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.