These bakelite bangles by Howard Kronimus are massive and heavy measuring 1" wide X 2 9/16" wrist X 3/4" wall thickness!
The bangle on the left has an inner core of burgundy and checks in marbled custard and marbled orange with his signature checks of a differing color in one section.
The left bangle has an inner core of navy with checks in blue moon, marbled green, marbled brown, marbled pale orange and his signature section of marbled custard.