Design featuring Mendeleev's periodic table of chemical elements. If you love science, study chemistry or biology, this design is for you. Scientific formulas, laboratory equipment. Make a gift for yourself or friends who love science. Great as a gift for your colleagues, classmates, family members, women day, will be a great gift for you, your friends or relatives, for men, dad, boys, kids, men's, mens, teenager, mothers, women, aunts, girls, children, nephew, niece Dual wall insulated: keeps beverages hot or cold Stainless Steel, BPA Free Leak proof lid with clear slider