Heavy Metal Periodic Table of Elements Shirt cotton 11 heavy metals from copper to bismuth doodled in the style of a 16-year-old metalhead. Heavyweight black t-shirt with white and red heavy metal text 100% cotton t-shirt Crew Neck Style Short Sleeve T-Shirt Length of T-Shirt measurement depends on size: Small 28", Medium 29", Large 30", XL 31", XXL 32", and XXXL 33"