Three-model set includes one clear hadar bar model with a clear lower base with four-implant cast hadar bar and overdenture containing EDDS clips; one clear lower base model with implants and ball abutments, overdenture with O-rings; and one crown and bridge model with single unit anterior crown and three unit posterior bridge supported by implants and cementable abutments. Each set comes in a black protective plastic, hard-shelled case with padded interior. Models are made of high-impact plastic resins and denture teeth. Model: hadar bar: 2-1/2" W x 1-1/2" H x 2" D; clear 2 ball and o-ring: 2-1/2" W x 1-3/8" H x 2" D; case: 8-1/4" W x 2" H x 5" D.