Personalized Retro Groovy Pink Heart Checkered Nana's Valentine T-Shirt. Embrace the joy of family moments with this enchanting design that captures the essence of childhood. Let your grandkids feel the love with this adorable Retro Groovy Pink Heart Checkered design! 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.