X-Floss lite is an excellent soft thinner floss for tighter spaces and excellent cleaning of implants, braces, retainer wires and bridges. It has a firm nylon threader which makes inserting the floss easy. Benefits and features of X-Floss lite The floss is thicker than normal floss, but thinner than X-Floss which makes it easier to insert into tighter spaces. The floss is soft, flattens out when under tension and cleans effectively. The firm nylon threader that won't buckle is attached to the floss. This makes threading the floss very easy.