Bioclear Full Posterior Matrix Kit allows to create snug, broad, and comfortable contacts in posterior restorations. With the new patented Twin Ring and Diamond Wedges, tooth separation and matrix adaptation are effortless. By offering a variety of Bioclear Clear Matrices, the Bioclear Posterior System gives you flexible options for treating a wide variety of clinical situations. The system consists of Twin Ring, Posterior Matrices and elasthic Diamond Wedge. Twin Ring has a structural design that causes it to have excellent form memory; it is guaranteed to retain its original shape without warping, even after hundreds of uses. Diamond Wedge is made from a flexible material with a diamond shaped cut-out in the tip, which causes a minimal insertion pressure by collapsing during insertion. The Matrices are available in three sizes, they're made of transparent and flexible Mylar foil.