Annhua Dental Wedges with Stainless Steel Matrix BandThe dental wedge guard consists of a plastic wedge (with holes) and a stainless steel sheet embedded in it. Wedge body is thinner and has a 'sail shape' shape. One-piece design, it helps to compress the matrix band against the tooth structure to create a tighter seal, preventing gingival overhang.--- Specifications:Availablel Color: Green(S), orange(M) and purple(L)Material: Plastic and stainless steelQuantity: 50pcs/boxProduct Instructions:According to the size of the interproximal space, select a suitable size, you can use forceps or hold the wedge handle to insert it from the buccal or lingual side between the desired prepared tooth and the adjacent tooth, and adjust the position slightly to make it fit better with the tooth.