I also use silicone molds - pour from pan and spread with spatula. I've found much less expensive molds on Amazon ($12 for two 40-cavity molds), though they are rectangular. The caramels wrap up nicely (by hand though) in 5x5 cellophane squares (also available on Amazon).
BUYGOO 2 Pack 40 Cavity Narrow Rectangle Silicone Caramel Candy Molds Chocolate Bar Mold for Truffles, Ganache, Jelly, Praline, Brownie, Butter, Ice Cube Tray (eG-friendly Amazon.com link)
Crinklee Clear Caramel, Candy and Chocolate Wrappers, Natural Cellophane, 1000 Square Sheets, 5x5 Inches (eG-friendly Amazon.com link)