We hope this great ladies t-shirt will bring you a little joy! It has an image of radio waves from pulsar CP 1919, taken from The Cambridge Encyclopaedia of Astronomy. Improving your wardrobe is one of life\'s little pleasures! This is a perfect t-shirt for lovers of maths and science, although whether it will improve your long division is unknown. This is a women\'s Pulsar CP 1919 t shirt, not an officially licensed product. Sustainability Message All 8Ball Originals garments are WRAP certified, REACH compliant and Fair Labor Association accredited. They are printed in UK using Oeka-Tex and GOTS certified water-based inks.