This official prop replica from the motion picture Krampus is made from resin and is fully functional with a clapper inside (although it is very lightweight and more like an ornament than a real metal bell). It measures approximately 1.75" in diameter and is imported from WETA workshop in New Zealand. Comes in a cute little plastic box.
Box Dimensions:1.96" x 2.16" x 1.96" (W x H x D) 5 cm x 5.5 cm x 5 cm