Personalized Bubbly Chemical Engineers Women's V-Neck T-Shirt. Chemical engineers are bubbly with bubbly text and a bubbling beaker is a humorous chemistry design. Fun engineering gifts for birthdays, holidays and graduation. 5.0 oz., 100% pre-shrunk cotton Athletic Heather is 90/10 cotton/polyester 1x1 rib collar with mitered v-neck Shoulder-to-shoulder taping Ladies' fit