Beautiful real pressed flowers and a real mustard seed are artfully placed in clear resin inside a square antique gold bezel.    Comes on a 30 inch chain.  Choose from (photographs are in order with description,  left to right, top to bottom):
 
#1 Sweet Pea Mixed Floral
 
#2 Mixed Queen Anne's Lace
 
#3 Forget Me Not Mixed Floral