BLUMENTHAL LANSING-Slimline Buttons Series Funtastics. Blumenthal Lansing, the best choice for basic buttons has created the Slimline Series that incorporates the best selling buttons of all their lines. This package contains Slimline Series Funtastics Buttons. Available in a variety of styles: each sold separately. Size, shape, color, finish, and number of buttons vary by style. Made in USA.