Personalized Rockin' For 40 Years Anniversary Women's T-Shirt. Two happy rocks under a banner that reads Rockin' for 40 years is a humorous anniversary gift design to tickle the funny bone of friends and family celebrating 40 yeqars together. Classic ladies' styling with a feminine neckline, sleeves and fit. 5.0 oz., pre-shrunk 100% cotton. Double-needle stitching throughout