Pregnancy And Gestation Calculator Wheel,Wholesale china

Description: Base wheel: 4" diameter x .020". Top wheel: 3" diameter x .020" white vinyl plastic. This birth date calculator will allow a doctor to determine the approx. date for a baby s birth. Shows 1st, 2nd, and 3rd trimester periods. 1 color ink, same, on base and top wheel, front only. Accuracy +/- may cause 1-3 day variations.
Colors: White
Themes: Baby, Health, Medical, Science
Imprint: 1-1/8"x7/16" above eyelet; 1-1/8"x3/16" below eyelet. Price includes 1 color, 1 side