These are perfect for making Pocket Hugs or magnets. The backs are flat, so you would just need to smooth the edges a little for a Pocket Hug. Then if you added fragrance oil also (up to 1% in your mix), it would be a scented aromastone version - the smooth feel of stone like finish of Ecrylimer is perfect for this trend and a a great addition to your market stall.
Each heart is 4.5cm x 3.5xm.