Personalized 30 Year Anniversary saying T-Shirt. Sweet butterfly anniversaries design says 30 Years and he still gives me butterflies on this lovely T-Shirt - Purple 30th Anniversary gift for her. 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.