Love your grandkids? Show them just how cool they are by wearing it for the world to see. Our mygrandkidsare.cool tee is the perfect stylish and yet comfortable t-shirt to express your appreciation for having the coolest grandkids in the world. This unisex triblend short sleeve tee-shirt is made of 50/25/25 polyester/combed and ringspun cotton/rayon. With a relaxed fit and side seam this shirt is guarantee to impress and perfect for your active lifestyle.