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Polar - Not only a color, but a state of mind! For those of you who fancy a little splash of color to brighten up your day. Polar M400 is now available
M400-R | Polar Strap « M400 » Red
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2X Silicone Wrist Strap Bracelet for Polar M400 M430 Wristband Watch Band Straps with Tool Black - Walmart.com
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Smart Watch Replacement Silicone Strap Watch Band Bracelet For Polar M400 M430 | eBay
Amazon.com: RuenTech Bands for Polar M400 / M430 watch Strap Replacement Soft Silicone Wristband Sports Band For Polar M400 and M430 Smart Sports Watch-Black L(5.5''-9.0'') : Electronics