Please note that product images are enlarged to show detail. The actual item is 0.431 - (approx. 3/8 in.) inches long and 0.424 - (approx. 3/8 in.) inches wide. The Acorn Charm by Rembrandt Charms is hand-polished with a High Polish finish. The charm shape is 3D. Every Rembrandt charm comes with a heavy-duty jump ring that can be twisted open and easily attached by you. All Rembrandt Charms are guaranteed for life.