I was very surprised to see that this set belongs to Sarah Coventry (one earring is signed).  It is a beautiful pastel yellow plastic done in a leaf shape with yellow rhinestones set in enamel "branches" adorning the inside of each leaf.  The brooch measures 2 3/4" across x 3" long.  The earrings measure 1 1/4" x 1 1/8".  They are all made with a very thick plastic and are in great condition.