Key features

• •Free size -- Fits all size from 5.5-8.0inch,Flexible Adjustment -This replacement band can be adjusted according to multiple alternative holes and metal buckle;
• •Premium material -- Made of Silicone Rubber material,not made of plastic,does not contain any harmful substances harmful to the human body. Eco-friendly,non-toxic.The use of non-slip, sweat, comfortable feel, perfect everyday and night wear;
• •Installation Tools -- Comes with tools,make it easier to lock and remove your Smartwatch .Very well replacement for your Polar M400/M430;
• •10 Colors for choice -- Delighted varied color dress up your wristband to fits your mood and outfits in daily life, makes your Polar M400/M430 look different and more attractive and highlights your unique taste;
• •!!!Note -- ITEM MADE BY RuenTech,NOT BY Polar.One year warranty.Unconditionally refund or resend with any quality problems, life-time friendly customer service.