Personalized 20th Anniversary Heartbeat Couples 20 Years T-Shirt. 20th wedding anniversary trendy heartbeat T-Shirt - White with 20 years together quote for wife or husband. 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.