... : Nylon,Dupont,medium (style and shape can be changed) Toothbrush handle available: PP, PS, ABS,TPR,TPE Friendly-environmentFeatures:Paired toothbrushes ... is Nylon and the other one is super soft. Broad handle and Anti-slip grip make it easy and comfortable to ... outside first, the inner side, the chew side last. The lifespan of the bristle is 2 monthes. anti-skid handle toothbrush with eyelet