Personalized Happy Sunshine I Love My Uncle T-Shirt. Show your love for your uncle with the Happy Sunshine I Love My Uncle design! This adorable design is perfect for nephews, nieces, grand nephews, and grand nieces who want to express their affection for their uncle. Whether it's for a birthday gift or just to show appreciation, this design is sure to bring a smile to your uncle's face. 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.