One of the popular changeable bead style, you can change the beads on this keychain any time you want. Simply unscrew the bottom bead slide these beads off and new ones on. The silvertone charm has a black crystal surrounded by white crystals. There are 2 silvertone beads, and 3 heat-sensitive beads. All three of these beautifully ornate beads don't do a complete change of color, but they do show various shades of green, blue, and purple in response to body heat when the keychain is being held. The length of the change-a-bead style charm is [approximately] 2". Total length of the keychain, including the clip, is [approximately] 3-1/2". Your design-inspired Keychain will arrive gift-boxed, and shipping insurance included in the shipping costs.