2 Pieces Christmas Chemistry Gifts Stainless Steel Coffee Tumbler 12 oz Insulated Teacher Coffee Mug Science Teacher Funny Gifts Caffeine Travel Mug for Professor Students Nerd Wine Cup Birthday Gift - Yinkin

• Chemistry Gifts Tumbler Set: we will provide you with 2 sets of chemistry gifts, including 2 pieces 12 ounce teacher coffee mugs, 2 pieces straws and 2 pieces brushes, so the thoughtful combination is suitable for your teacher as a gift Gifts for Chemistry and Coffee Lovers: the science gift is designed with the pattern of caffeine molecules, novel and interesting, and will attract the attention of nerds, geeks, chemistry teachers, doctors, professors, women, students, etc.. They will like it Vacuum Insulated: the teacher coffee tumbler is double walled and vacuum insulated. Therefore, the cups ensure that cold beverages keep cold for 9 hours and hot drinks for at least 3 hours. So it will bring you coolness in summer and warmth in winter Safe and Reliable: made of quality stainless steel, this science teacher gift is unbreakable and built to last, highly resistant to rust and puncture, and the clear lid is made of quality plastic, which seals tightly under control and allows you to see inside Portable Tumbler: the gift for a science teacher has a capacity of about 12 ounces, a diameter of approx. 8.8 cm/ 3.5 inches, and a height of 11.3 cm/ 4.5 inches, suitable for the size you put in your bag or hold in your hand and won't take up too much space